FR800679A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Ventilation improvements
Assignee: Nessi Freres & Cie
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Filing: 1935-04-16
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Granted: 1936-07-16
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Expires: 1955-04-16
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 05:16
CPC Classifications
A; A62; A62B; A62B13/00
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