Patent FR1139978A successfully refreshed from Google Patents.
FR1139978A
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FR
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Breathing apparatus for swimming underwater
Assignee: Arthur Martinez
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Filing: 1956-01-04
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Granted: 1957-07-09
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Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur Martinez
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 15:43
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/20; B63C11/205; B63C11/207; B63C11/12; B63C11/16
Claims Analysis
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