FR1246347A
Expired / Lapsed
FR
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Assignee: Pierre-Emile Langlois
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Filing: 1959-10-09
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Granted: 1960-11-18
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Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Pierre-Emile Langlois
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 09:20
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0081; G02B6/0086; G02B6/0066; G02B6/0068; G02B6/0033; G02B6/0035; G02B6/0036; G02B6/0058; G02B6/006
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References Cited (Backward Citations)
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