DE659476C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Breathing equipment, especially high altitude breathing equipment
Assignee: BERNH DRAEGER
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Filing: —
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Granted: 1938-05-04
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Expires: 1955-05-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 20:29
CPC Classifications
A; A62; A62B; A62B7/00
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Total Claims: 0
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References Cited (Backward Citations)
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