[go: up one dir, main page]

CA2033992A1 - Debitmetre massique de coriolis a stabilite amelioree - Google Patents

Debitmetre massique de coriolis a stabilite amelioree

Info

Publication number
CA2033992A1
CA2033992A1 CA2033992A CA2033992A CA2033992A1 CA 2033992 A1 CA2033992 A1 CA 2033992A1 CA 2033992 A CA2033992 A CA 2033992A CA 2033992 A CA2033992 A CA 2033992A CA 2033992 A1 CA2033992 A1 CA 2033992A1
Authority
CA
Canada
Prior art keywords
phase
mass flow
flow meter
improved stability
coriolis mass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2033992A
Other languages
English (en)
Other versions
CA2033992C (fr
Inventor
Donald Reed Cage
James Richard Ruesch
Timothy J. Cunningham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Micro Motion Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2033992A1 publication Critical patent/CA2033992A1/fr
Application granted granted Critical
Publication of CA2033992C publication Critical patent/CA2033992C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8413—Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8472—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane
    • G01F1/8477—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having curved measuring conduits, i.e. whereby the measuring conduits' curved center line lies within a plane with multiple measuring conduits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
CA002033992A 1989-06-09 1990-06-08 Debitmetre massique de coriolis a stabilite amelioree Expired - Lifetime CA2033992C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36403289A 1989-06-09 1989-06-09
US364,032 1989-06-09

Publications (2)

Publication Number Publication Date
CA2033992A1 true CA2033992A1 (fr) 1990-12-10
CA2033992C CA2033992C (fr) 1996-07-16

Family

ID=23432741

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002033992A Expired - Lifetime CA2033992C (fr) 1989-06-09 1990-06-08 Debitmetre massique de coriolis a stabilite amelioree

Country Status (11)

Country Link
US (1) US5301557A (fr)
EP (3) EP0848235A3 (fr)
JP (1) JP2780488B2 (fr)
AT (1) ATE171270T1 (fr)
AU (1) AU625788B2 (fr)
BR (1) BR9006797A (fr)
CA (1) CA2033992C (fr)
DE (1) DE69032658T2 (fr)
HU (1) HUT72145A (fr)
MX (1) MX171455B (fr)
WO (1) WO1990015310A1 (fr)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485755A (en) * 1990-11-21 1996-01-23 Lew; Hyok S. Mass flowmeter
US5370002A (en) * 1993-07-23 1994-12-06 Micro Motion, Inc. Apparatus and method for reducing stress in the brace bar of a Coriolis effect mass flow meter
US5497666A (en) * 1994-07-20 1996-03-12 Micro Motion, Inc. Increased sensitivity coriolis effect flowmeter using nodal-proximate sensors
US5604316A (en) * 1994-10-19 1997-02-18 Alonso; Joey G. Multiple phase coriolis mass meter
WO1997026508A1 (fr) * 1996-01-17 1997-07-24 Danfoss A/S Debitmetre massique
US5734112A (en) * 1996-08-14 1998-03-31 Micro Motion, Inc. Method and apparatus for measuring pressure in a coriolis mass flowmeter
US6332367B1 (en) 1997-03-11 2001-12-25 Micro Motion, Inc. Dual loop Coriolis effect mass flowmeter
US6199022B1 (en) 1997-07-11 2001-03-06 Micro Motion, Inc. Drive circuit modal filter for a vibrating tube flowmeter
US7124646B2 (en) * 1997-11-26 2006-10-24 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US8467986B2 (en) * 1997-11-26 2013-06-18 Invensys Systems, Inc. Drive techniques for a digital flowmeter
US6311136B1 (en) * 1997-11-26 2001-10-30 Invensys Systems, Inc. Digital flowmeter
US8447534B2 (en) 1997-11-26 2013-05-21 Invensys Systems, Inc. Digital flowmeter
US6505519B2 (en) * 2000-03-23 2003-01-14 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US20030216874A1 (en) * 2002-03-29 2003-11-20 Henry Manus P. Drive techniques for a digital flowmeter
US7784360B2 (en) 1999-11-22 2010-08-31 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US7404336B2 (en) 2000-03-23 2008-07-29 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US6092429A (en) * 1997-12-04 2000-07-25 Micro Motion, Inc. Driver for oscillating a vibrating conduit
US6360175B1 (en) 1998-02-25 2002-03-19 Micro Motion, Inc. Generalized modal space drive control system for a vibrating tube process parameter sensor
US6427127B1 (en) 1998-07-16 2002-07-30 Micro Motion, Inc. Vibrating conduit process parameter sensors, operating methods and computer program products utilizing complex modal estimation
US6249752B1 (en) 1998-07-16 2001-06-19 Micro Motion, Inc. Vibrating conduit parameter sensors, operating methods and computer program productors utilizing real normal modal decomposition
US6233526B1 (en) 1998-07-16 2001-05-15 Micro Motion, Inc. Vibrating conduit parameter sensors and methods of operation therefor utilizing spatial integration
JP2951651B1 (ja) * 1998-07-29 1999-09-20 株式会社オーバル コリオリ質量流量計及びその製造方法
US6272438B1 (en) * 1998-08-05 2001-08-07 Micro Motion, Inc. Vibrating conduit parameter sensors, methods and computer program products for generating residual-flexibility-compensated mass flow estimates
US5987998A (en) * 1998-08-26 1999-11-23 Micro Motion, Inc. High temperature drive system for a coriolis mass flowmeter
US6748813B1 (en) 1998-12-08 2004-06-15 Emerson Electric Company Coriolis mass flow controller
US6513392B1 (en) * 1998-12-08 2003-02-04 Emerson Electric Co. Coriolis mass flow controller
US6526839B1 (en) * 1998-12-08 2003-03-04 Emerson Electric Co. Coriolis mass flow controller and capacitive pick off sensor
US6286373B1 (en) * 1999-02-12 2001-09-11 Micro Motion, Inc. Coriolis flowmeter having an explosion proof housing
US6577977B2 (en) 1999-02-16 2003-06-10 Micro Motion, Inc. Process parameter sensor apparatus, methods and computer program products using force filtering
USD423388S (en) * 1999-03-19 2000-04-25 Micro Motion, Inc. Coriolis flowmeter housing
USD418767S (en) * 1999-03-19 2000-01-11 Micro Motion, Inc. Coriolis flowmeter housing
USD419088S (en) * 1999-03-19 2000-01-18 Micro Motion, Inc. Coriolis flowmeter housing
GB2350426B (en) * 1999-05-25 2002-08-28 Abb Instrumentation Ltd Vibrating tube meter
US6347293B1 (en) * 1999-07-09 2002-02-12 Micro Motion, Inc. Self-characterizing vibrating conduit parameter sensors and methods of operation therefor
USD427096S (en) * 1999-10-04 2000-06-27 Micro Motion, Inc. Coriolis flowmeter casing
US6512987B1 (en) * 2000-03-22 2003-01-28 Micro Motion, Inc. Method and apparatus for operating coriolis flowmeters at cryogenic temperatures
US6651513B2 (en) * 2000-04-27 2003-11-25 Endress + Hauser Flowtec Ag Vibration meter and method of measuring a viscosity of a fluid
US6711958B2 (en) * 2000-05-12 2004-03-30 Endress + Hauser Flowtec Ag Coriolis mass flow rate/density/viscoy sensor with two bent measuring tubes
US7134347B2 (en) * 2001-08-29 2006-11-14 Endress+Hauser Flowtec Ag Vibration-type measuring sensor
DK1421349T3 (en) * 2001-08-29 2016-05-30 Flowtec Ag SENSOR on the vibration
US6957587B2 (en) * 2001-08-29 2005-10-25 Endress + Hauser Flowtech, Ag Vibratory transducer
EP1296119A1 (fr) * 2001-09-21 2003-03-26 Endress + Hauser Flowtec AG Capteur de mesure du type vibrant
US8100552B2 (en) * 2002-07-12 2012-01-24 Yechezkal Evan Spero Multiple light-source illuminating system
US7188534B2 (en) * 2003-02-10 2007-03-13 Invensys Systems, Inc. Multi-phase coriolis flowmeter
US7059199B2 (en) * 2003-02-10 2006-06-13 Invensys Systems, Inc. Multiphase Coriolis flowmeter
US7013740B2 (en) * 2003-05-05 2006-03-21 Invensys Systems, Inc. Two-phase steam measurement system
US7072775B2 (en) * 2003-06-26 2006-07-04 Invensys Systems, Inc. Viscosity-corrected flowmeter
US7065455B2 (en) * 2003-08-13 2006-06-20 Invensys Systems, Inc. Correcting frequency in flowtube measurements
US7284449B2 (en) * 2004-03-19 2007-10-23 Endress + Hauser Flowtec Ag In-line measuring device
US7040181B2 (en) * 2004-03-19 2006-05-09 Endress + Hauser Flowtec Ag Coriolis mass measuring device
DE102004018326B4 (de) 2004-04-13 2023-02-23 Endress + Hauser Flowtec Ag Vorrichtung und Verfahren zum Messen einer Dichte und/oder einer Viskosität eines Fluids
DE102005003161B4 (de) * 2005-01-21 2007-03-01 Krohne Ag Massendurchflußmeßgerät
US7392709B2 (en) * 2005-05-16 2008-07-01 Endress + Hauser Flowtec Ag Inline measuring device with a vibration-type measurement pickup
DE102005046319A1 (de) 2005-09-27 2007-03-29 Endress + Hauser Flowtec Ag Verfahren zum Messen eines in einer Rohrleitung strömenden Mediums sowie Meßsystem dafür
US7325461B2 (en) 2005-12-08 2008-02-05 Endress + Hauser Flowtec Ag Measurement transducer of vibration-type
EP2026042A1 (fr) 2005-12-27 2009-02-18 Endress+Hauser Flowtec AG Dispositifs de mesure en ligne et procédé pour compenser des erreurs de mesure dans les dispositifs de mesure en ligne
US7360452B2 (en) * 2005-12-27 2008-04-22 Endress + Hauser Flowtec Ag In-line measuring devices and method for compensation measurement errors in in-line measuring devices
US7360453B2 (en) * 2005-12-27 2008-04-22 Endress + Hauser Flowtec Ag In-line measuring devices and method for compensation measurement errors in in-line measuring devices
US7546777B2 (en) * 2006-03-22 2009-06-16 Endress + Hauser Flowtec Ag Measuring transducer of vibration-type
US7555962B2 (en) * 2006-03-22 2009-07-07 Endress + Hauser Flowtec Ag Measuring transducer of vibration-type
DE102006013601A1 (de) 2006-03-22 2007-09-27 Endress + Hauser Flowtec Ag Meßaufnehmer vom Vibrationstyp
US7631561B2 (en) * 2006-03-22 2009-12-15 Endress + Hauser Flowtec Ag Measuring transducer of vibration-type
US7617055B2 (en) 2006-08-28 2009-11-10 Invensys Systems, Inc. Wet gas measurement
DE102006062600B4 (de) 2006-12-29 2023-12-21 Endress + Hauser Flowtec Ag Verfahren zum Inbetriebnehmen und/oder Überwachen eines In-Line-Meßgeräts
DE102007021099A1 (de) 2007-05-03 2008-11-13 Endress + Hauser (Deutschland) Ag + Co. Kg Verfahren zum Inbetriebnehmen und/oder Rekonfigurieren eines programmierbaren Feldmeßgeräts
RU2475708C2 (ru) * 2007-08-29 2013-02-20 Майкро Моушн, Инк. Стягивающая оправка с лепестковыми вырезами для пайки твердым припоем к расходомерной трубке
JP4884408B2 (ja) * 2008-02-01 2012-02-29 株式会社オーバル コリオリ流量計
DE102008016235A1 (de) 2008-03-27 2009-10-01 Endress + Hauser Flowtec Ag Verfahren zum Betreiben eines auf einer rotierenden Karussell-Abfüllmachine angeordneten Meßgeräts
EP2279392B1 (fr) * 2008-04-02 2021-07-14 Micro Motion, Inc. Barre d'entretoise comportant une liaison partielle
DE102008035877A1 (de) 2008-08-01 2010-02-04 Endress + Hauser Flowtec Ag Meßwandler vom Vibrationstyp
DE102008044186A1 (de) 2008-11-28 2010-06-02 Endress + Hauser Flowtec Ag Magneteinrichtung sowie Meßaufnehmer vom Vibrationstyp mit einer solchen Magneteinrichtung
DE102009012474A1 (de) 2009-03-12 2010-09-16 Endress + Hauser Flowtec Ag Meßsystem mit einem Messwandler vom Vibrationstyp
JP5335583B2 (ja) * 2009-07-06 2013-11-06 株式会社キーエンス コリオリ質量流量計
DE102009028007A1 (de) * 2009-07-24 2011-01-27 Endress + Hauser Flowtec Ag Meßumwandler vom Vibrationstyp sowie Meßgerät mit einem solchen Meßwandler
DE102009028006A1 (de) 2009-07-24 2011-01-27 Endress + Hauser Flowtec Ag Meßwandler vom Vibrationstyp sowie Meßgerät mit einem solchen Meßwandler
DE102011103331B3 (de) 2011-05-27 2012-11-29 Inor Process Ab Temperaturfühler für ein Kontaktthermometer
DE102011085408A1 (de) 2011-10-28 2013-05-02 Endress + Hauser Flowtec Ag Meßwandler sowie damit gebildetes Meßsystem
WO2014031103A1 (fr) 2012-08-21 2014-02-27 Micro Motion, Inc. Débitmètre de coriolis et procédé ayant un zéro de dispositif de mesure amélioré
DE102012018988A1 (de) 2012-09-27 2014-04-17 Krohne Ag Coriolis-Massedurchflussmessgerät
WO2014056709A1 (fr) 2012-10-11 2014-04-17 Endress+Hauser Flowtec Ag Système de mesure pour déterminer un débit volumique et/ou un pourcentage de débit volumique d'un fluide s'écoulant dans une tuyauterie
DE102012109729A1 (de) 2012-10-12 2014-05-15 Endress + Hauser Flowtec Ag Meßsystem zum Ermitteln eines Volumendruchflusses und/oder einer Volumendurchflußrate eines in einer Rohrleitung strömenden Mediums
CN103278204B (zh) * 2013-04-27 2015-07-29 北京航空航天大学 科氏效应与差压效应融合的微小质量流量传感器
DE102013106157A1 (de) 2013-06-13 2014-12-18 Endress + Hauser Flowtec Ag Meßsystem mit einem Druckgerät sowie Verfahren zur Überwachung und/oder Überprüfung eines solchen Druckgeräts
DE102013106155A1 (de) 2013-06-13 2014-12-18 Endress + Hauser Flowtec Ag Meßsystem mit einem Druckgerät sowie Verfahren zur Überwachung und/oder Überprüfung eines solchen Druckgeräts
JP2013238610A (ja) * 2013-07-16 2013-11-28 Micro Motion Inc 流管アセンブリおよびその形成方法
US10094185B2 (en) 2014-09-19 2018-10-09 Weatherford Technology Holdings, Llc Coriolis flow meter having flow tube with equalized pressure differential
DE102015109790B4 (de) 2015-06-18 2025-08-14 Endress + Hauser Flowtec Ag Coriolis-Massedurchflussmessgerät und/oder Dichtemessgerät
DE102015118864A1 (de) 2015-11-04 2017-05-04 Endress + Hauser Flowtec Ag Adapter zum Verbinden von Fluidleitungen sowie damit gebildetes Fluidleitungssystem
DE102016109058A1 (de) 2016-05-17 2017-11-23 Endress+Hauser Flowtec Ag Fluidleitungssystem
US9976889B1 (en) 2016-11-21 2018-05-22 Rota Yokogawa Gmbh & Co. Kg Method of assembling a tuning fork or a coriolis mass flowmeter, product and intermediate product of this method
EP3495784A1 (fr) * 2017-12-07 2019-06-12 Heinrichs Messtechnik GmbH Débitmètre massique coriolis
DE102019120339A1 (de) 2019-07-26 2021-01-28 Endress+Hauser Flowtec Ag Strömungsteiler sowie damit gebildetes Fluidleitungssystem
EP4244584B1 (fr) 2020-11-12 2025-02-19 Endress+Hauser Flowtec AG Diviseur de flux et système de ligne de fluide formé avec celui-ci
DE102021131866A1 (de) 2021-12-03 2023-06-07 Endress+Hauser Flowtec Ag Verfahren zum Detektieren eines Fremdkörpers in einem Medium
DE102022100227A1 (de) 2022-01-05 2023-07-06 Endress+Hauser Flowtec Ag Fluidleitungssystem
NO20230912A1 (en) * 2023-08-25 2025-02-26 Cignus Instr As Transducer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31450A (en) * 1861-02-19 Improvement in tools used in the manufacture of iron
US4187721A (en) * 1977-07-25 1980-02-12 S & F Associates Method and structure for flow measurement
JPS56125622A (en) * 1980-03-08 1981-10-02 S T Kenkyusho:Kk Mass flowmeter
US4422338A (en) * 1981-02-17 1983-12-27 Micro Motion, Inc. Method and apparatus for mass flow measurement
US5423221A (en) * 1986-02-11 1995-06-13 Abb K-Flow Inc. Mass flow measuring device
US4823614A (en) * 1986-04-28 1989-04-25 Dahlin Erik B Coriolis-type mass flowmeter
US4823613A (en) * 1986-10-03 1989-04-25 Micro Motion, Inc. Density insensitive coriolis mass flow rate meter

Also Published As

Publication number Publication date
EP0848234A2 (fr) 1998-06-17
BR9006797A (pt) 1991-08-06
CA2033992C (fr) 1996-07-16
ATE171270T1 (de) 1998-10-15
HUT72145A (en) 1996-03-28
EP0848235A3 (fr) 1998-10-14
EP0848235A2 (fr) 1998-06-17
EP0431132B1 (fr) 1998-09-16
EP0431132A1 (fr) 1991-06-12
US5301557A (en) 1994-04-12
MX171455B (es) 1993-10-27
JP2780488B2 (ja) 1998-07-30
EP0848234A3 (fr) 1998-10-14
DE69032658D1 (de) 1998-10-22
AU5853290A (en) 1991-01-07
AU625788B2 (en) 1992-07-16
WO1990015310A1 (fr) 1990-12-13
DE69032658T2 (de) 1999-02-11
JPH04502062A (ja) 1992-04-09
EP0431132A4 (en) 1991-12-11

Similar Documents

Publication Publication Date Title
CA2033992A1 (fr) Debitmetre massique de coriolis a stabilite amelioree
AU7223087A (en) Single tube parallel flow coriolis mass flow sensor
NL191617B (nl) Volgens het Coriolisprincipe werkend massastromingsmeetinstrument.
EP0733886A3 (fr) Débitmètre massique de Coriolis
DE69017020D1 (de) Coriolis-massendurchflussmesser mit erhöhter störgeräuschunempfindlichkeit.
EP0359294A3 (fr) Débitmètre massique selon le principe Coriolis et procédé pour produire un signal de débit massique avec contenu diminué en oscillations harmoniques
DE59408354D1 (de) Coriolis-massedurchflussaufnehmer
DE59201347D1 (de) Coriolis-Massendurchflussmesser.
DE69625184D1 (de) Coriolis-massendurchflussmesse mit konzentrischen rotoren
DE69019453D1 (de) Verbesserter Coriolis-Typ-Durchflussmesser.
EP0766149A3 (fr) Dispositif pour déterminer la position d'aiguilles indicatrices
DE3768897D1 (de) Ultraschall-phasendifferenzverfahren zur messung hoher stroemungsgeschwindigkeiten.
AU3793789A (en) Coriolis mass flow rate meter having absolute frequency output
DE3684816D1 (de) Bestimmen des wertes einer sich bewegenden muenze.
DE69003033D1 (de) Gasflusswinkelgeschwindigkeitsmesser.
DE68902094D1 (de) Messfuehler fuer durchflussmesser.
GB2219398B (en) Producing validation solutions for process instruments for measuring analyte contents of water solutions.
CA2146865A1 (fr) Boitier non interactif pour debitmetres massiques a effet de coriolis
ATE104765T1 (de) Ultraschall-gas-/fluessigkeits-durchflussmesser.
GB2021768B (en) Acoustic measuring instruments eg flowmeters or level gauges
AU6189486A (en) Monoclonal antibodies to prosomal proteins
CA2046952A1 (fr) Dispositif de mesure
SE8402099D0 (sv) Gastett system for vegning
DE3650535D1 (de) Coriolis-Massendurchflussmesser Coriolis-Massendurchflussmesser
FR2577675B1 (fr) Instrument pour mesurer la fluorescence produite dans un echantillon excite par des rayons x

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry