FR829908A
Expired / Lapsed
FR
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High altitude oxygen inhaler mask with adjustable rubber mouthpiece attachment
Assignee: Ulmer
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Filing: 1937-11-25
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Granted: 1938-07-11
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Expires: 1957-11-25
Abstract
No abstract record available.
Inventors
- 👤 Ulmer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 11:20
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/084
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References Cited (Backward Citations)
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