Patent FR770810A successfully refreshed from Google Patents.
FR770810A
Expired / Lapsed
FR
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Adjustment of the projection lamp circuit, especially for cinematographic projectors
Assignee: IG Farbenindustrie AG
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Filing: 1934-03-27
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Granted: 1934-09-21
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Expires: 1954-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 19:40
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/20; G03B21/2053
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