FR799418A
Expired / Lapsed
FR
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Catadioptric dioptric optical system
Assignee: ECLAIRAGE PUBLIC ET SCIENT SOC
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Filing: 1935-03-12
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Granted: 1936-06-12
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Expires: 1955-03-12
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
2026-10-26 05:37
CPC Classifications
F; F21; F21V; F21V5/00; F21V5/04
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