FR819583A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in engine operated valves
Assignee: British Thermostat Co Ltd
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Filing: 1937-03-22
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Granted: 1937-10-21
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Expires: 1957-03-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 16:12
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/122; F16K31/1221
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