FR847038A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for the use of cinematographic projectors for the projection of still images
Assignee: IG Farbenindustrie AG
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Filing: 1938-12-05
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Granted: 1939-10-02
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Expires: 1958-12-05
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
2026-11-02 15:11
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08
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