FR879995A
Expired / Lapsed
FR
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Process for the constitution of positive photographic images
Assignee: IG Farbenindustrie AG
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Filing: 1942-03-05
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Granted: 1943-03-10
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Expires: 1962-03-05
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
G; G03; G03D; G03D9/00; G03C; G03C5/00; G03C5/08; G03C5/10; G03C8/00; G03C8/02; G03C8/04; G03C8/06
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