FR803438A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Exposure time measuring device for photographic enlargement
Assignee: IG Farbenindustrie AG
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Filing: 1936-03-13
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Granted: 1936-09-30
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Expires: 1956-03-13
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 17:46
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/12; G01J1/122; G01J1/124
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