FR1109643A
Expired / Lapsed
FR
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High vacuum valve and operating mechanism for this valve
Assignee: Umicore NV SA
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Filing: 1954-08-09
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Granted: 1956-01-31
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Expires: 1974-08-09
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 11:52
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/20; F16K5/204
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