FR757898A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for measuring the exposure time for cameras
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1933-07-03
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Granted: 1934-01-05
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Expires: 1953-07-03
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
2026-10-29 14:26
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/02
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