FR873874A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Universal bell for high dose inhalations of oxygen or other gases
Assignee: Louis-Marie Bertholey
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Filing: 1940-11-04
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Granted: 1942-07-22
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Expires: 1960-11-04
Abstract
No abstract record available.
Inventors
- 👤 Louis-Marie Bertholey
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 08:28
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06
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