FR740743A
Expired / Lapsed
FR
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Improvements to electrical warning devices
Assignee: Rene Clammer
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Filing: 1931-10-30
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Granted: 1933-01-31
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Expires: 1951-10-30
Abstract
No abstract record available.
Inventors
- 👤 Rene Clammer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 22:19
CPC Classifications
G; G10; G10K; G10K9/00; G10K9/12; G10K9/13; G10K9/15
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References Cited (Backward Citations)
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