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DE682675C Expired / Lapsed DE ⏱️ 0.0 years remaining

Pressure reducers, especially for high altitude breathing apparatus

Assignee: Bronzavia SA
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Filing: 1935-12-06
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Granted: 1939-10-20
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Expires: 1955-12-06
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-23 09:53
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663

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