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AT158748B
Expired / Lapsed
AT
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Inhaler with constant flow of oxygen.
Assignee: Otto Heinrich Dr Draeger
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Filing: 1936-12-19
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Granted: 1940-05-10
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Expires: 1956-12-19
Abstract
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Inventors
- 👤 Otto Heinrich Dr Draeger
Bibliographic Details
Application Number
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Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-24 10:12
CPC Classifications
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