Patent FR860192A successfully refreshed from Google Patents.
FR860192A
Expired / Lapsed
FR
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Collimator refinements
Assignee: Optique et Precision de Levallois SA
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Filing: 1939-06-16
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Granted: 1941-01-08
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Expires: 1959-06-16
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
2026-10-23 16:42
CPC Classifications
G; G02; G02B; G02B15/00
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