FR835308A - Couches anti-halo et couches filtrantes - Google Patents

Couches anti-halo et couches filtrantes

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
English (en)
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/fr
Expired legal-status Critical Current

Links

FR835308D 1937-03-17 1938-03-16 Couches anti-halo et couches filtrantes Expired FR835308A (fr)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=7194561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835308D Expired FR835308A (fr) 1937-03-17 1938-03-16 Couches anti-halo et couches filtrantes

Country Status (3)

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

Also Published As

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

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