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GR1003001B - Σπειροειδης σωληνας με κυματοειδη εσωτερικη και εξωτερικη επιφανεια και μεθοδος για την παραγωγη του - Google Patents

Σπειροειδης σωληνας με κυματοειδη εσωτερικη και εξωτερικη επιφανεια και μεθοδος για την παραγωγη του

Info

Publication number
GR1003001B
GR1003001B GR970100396A GR970100396A GR1003001B GR 1003001 B GR1003001 B GR 1003001B GR 970100396 A GR970100396 A GR 970100396A GR 970100396 A GR970100396 A GR 970100396A GR 1003001 B GR1003001 B GR 1003001B
Authority
GR
Greece
Prior art keywords
wavelike
internal
tube
external surface
production
Prior art date
Application number
GR970100396A
Other languages
English (en)
Inventor
.
Original Assignee
�.�. ���������� �.�.
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 �.�. ���������� �.�. filed Critical �.�. ���������� �.�.
Publication of GR1003001B publication Critical patent/GR1003001B/el

Links

GR970100396A 1997-10-21 1997-10-21 Σπειροειδης σωληνας με κυματοειδη εσωτερικη και εξωτερικη επιφανεια και μεθοδος για την παραγωγη του GR1003001B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR97100396 1997-10-21

Publications (1)

Publication Number Publication Date
GR1003001B true GR1003001B (el) 1998-10-27

Family

ID=10943076

Family Applications (1)

Application Number Title Priority Date Filing Date
GR970100396A GR1003001B (el) 1997-10-21 1997-10-21 Σπειροειδης σωληνας με κυματοειδη εσωτερικη και εξωτερικη επιφανεια και μεθοδος για την παραγωγη του

Country Status (1)

Country Link
GR (1) GR1003001B (el)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027864A (en) * 1985-05-21 1991-07-02 Arnco Corporation Tubular apparatus for transmission cable
EP0581064A1 (de) * 1992-07-27 1994-02-02 Drossbach GmbH & Co. KG Kabelschutzrohr
EP0732789A1 (en) * 1995-03-14 1996-09-18 CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. Improvements to underground tubular ducts for telecommunications networks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027864A (en) * 1985-05-21 1991-07-02 Arnco Corporation Tubular apparatus for transmission cable
EP0581064A1 (de) * 1992-07-27 1994-02-02 Drossbach GmbH & Co. KG Kabelschutzrohr
EP0732789A1 (en) * 1995-03-14 1996-09-18 CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. Improvements to underground tubular ducts for telecommunications networks

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Effective date: 20110503