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Method and device for testing the parts of oxygen breathing apparatus carrying pressurized oxygen for leaks

Assignee: BERNH DRAEGER
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Filing: 1941-05-10
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Granted: 1943-07-16
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Expires: 1961-05-10
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Abstract

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Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-29 16:11
CPC Classifications
A; A62; A62B; A62B27/00

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