[go: up one dir, main page]

FR835308A - Anti-halo layers and filter layers - Google Patents

Anti-halo layers and filter layers

Info

Publication number
FR835308A
FR835308A FR835308DA FR835308A FR 835308 A FR835308 A FR 835308A FR 835308D A FR835308D A FR 835308DA FR 835308 A FR835308 A FR 835308A
Authority
FR
France
Prior art keywords
layers
halo
filter
filter layers
halo layers
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.)
Expired
Application number
Other languages
French (fr)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR835308A publication Critical patent/FR835308A/en
Expired legal-status Critical Current

Links

FR835308D 1937-03-17 1938-03-16 Anti-halo layers and filter layers Expired FR835308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0057452 1937-03-17

Publications (1)

Publication Number Publication Date
FR835308A true FR835308A (en) 1938-12-19

Family

ID=7194561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835308D Expired FR835308A (en) 1937-03-17 1938-03-16 Anti-halo layers and filter layers

Country Status (3)

Country Link
BE (1) BE426983A (en)
FR (1) FR835308A (en)
GB (1) GB512497A (en)

Also Published As

Publication number Publication date
GB512497A (en) 1939-09-18
BE426983A (en)

Similar Documents

Publication Publication Date Title
FR830551A (en) Development in dryers
FR849288A (en) Improvements in radio-compasses
FR846470A (en) Colored photographic layers
FR837297A (en) Mattress improvement
FR835340A (en) Anti-halo layers and filter layers
FR835308A (en) Anti-halo layers and filter layers
FR841702A (en) Inflatable mattress
FR840144A (en) Filter improvement
FR844539A (en) Wave filters
FR827982A (en) Air filter
FR834495A (en) Air filter
FR839805A (en) Improvements to mechanical filters
FR834060A (en) Filter refinements
FR839804A (en) Mechanical filters
FR830332A (en) Carburetor
FR844073A (en) Sofa bed
FR832597A (en) Improvements made to folding conformers
FR836915A (en) Bandpass amplifier
FR821089A (en) Improvements to stockings and the like
FR833812A (en) Footrest
FR830953A (en) Duplicator
FR826159A (en) Segment and piston
FR48754E (en) Capacitor
FR818942A (en) Improvement in quilts and quilts
DK55160C (en) Dust and waterproof Lynlaas.