DE701690C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Oxygen breathing apparatus, especially high altitude breathing apparatus
Assignee: OBERKOMMANDO HEER BERLIN
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Filing: 1937-03-12
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Granted: 1941-01-22
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Expires: 1957-03-12
Abstract
No abstract record available.
Inventors
- 👤 Rer Nat Et Med Theodor Benz Dr
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 17:24
CPC Classifications
A; A62; A62B; A62B18/00
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References Cited (Backward Citations)
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