FR804582A - Filtre de lumière - Google Patents

Filtre de lumière

Info

Publication number
FR804582A
FR804582A FR804582DA FR804582A FR 804582 A FR804582 A FR 804582A FR 804582D A FR804582D A FR 804582DA FR 804582 A FR804582 A FR 804582A
Authority
FR
France
Prior art keywords
light filter
filter
light
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)
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 FR804582A publication Critical patent/FR804582A/fr
Expired legal-status Critical Current

Links

FR804582D 1935-04-04 1936-04-04 Filtre de lumière Expired FR804582A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE804582X 1935-04-04

Publications (1)

Publication Number Publication Date
FR804582A true FR804582A (fr) 1936-10-27

Family

ID=6722136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804582D Expired FR804582A (fr) 1935-04-04 1936-04-04 Filtre de lumière

Country Status (1)

Country Link
FR (1) FR804582A (fr)

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