FR701940A
Expired / Lapsed
FR
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Advanced microscopes
Assignee: Optique et Precision de Levallois SA
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Filing: 1930-09-13
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Granted: 1931-03-25
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Expires: 1950-09-13
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 09:39
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/18; G02B21/20; G02B21/22
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