FR828107A
Expired / Lapsed
FR
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Training in collimators
Assignee: Charles Edouard Pierre Gourdou
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Filing: 1937-01-19
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Granted: 1938-05-11
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Expires: 1957-01-19
Abstract
No abstract record available.
Inventors
- 👤 Charles Edouard Pierre Gourdou
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/14
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