Patent FR69970E successfully refreshed from Google Patents.
FR69970E
Expired / Lapsed
FR
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Breathing apparatus especially for divers
Assignee: Jean-Armand-Louis Bronnec
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Filing: 1956-04-16
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Granted: 1959-01-30
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Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jean-Armand-Louis Bronnec
- 👤 Raymond-Maurice Gautier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-10 00:51
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/20; B63C11/205; B63C11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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