Patent DE893750C successfully refreshed from Google Patents.
DE893750C
Expired / Lapsed
DE
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Warning signal device for oxygen and compressed air breathing apparatus
Assignee: Draegerwerk AG and Co KGaA
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Filing: 1941-01-09
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Granted: 1953-10-19
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Expires: 1961-01-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 04:34
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/006
Claims Analysis
Total Claims: 0
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