FR913652A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to air or gas purge valves
Assignee: John Daniel Eldret Venning
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Filing: 1945-08-09
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Granted: 1946-09-17
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Expires: 1965-08-09
Abstract
No abstract record available.
Inventors
- 👤 John Daniel Eldret Venning
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 04:01
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/04
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