Patent FR551070A successfully refreshed from Google Patents.
FR551070A
Expired / Lapsed
FR
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Hydraulic control for automatic valve
Assignee: TECH ET IND D ENTPR S SOC
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Filing: 1922-05-06
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Granted: 1923-03-27
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Expires: 1942-05-06
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 19:09
CPC Classifications
E; E02; E02B; E02B7/00; E02B7/20; E02B7/205
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