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FR1109643A Expired / Lapsed FR ⏱️ 0.0 years remaining

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
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Abstract

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Bibliographic Details

Application Number —
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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