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FR833721A Expired / Lapsed FR ⏱️ 0.0 years remaining

Compressed gas switch

Assignee: Umicore NV SA
•
Filing: 1938-02-14
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Granted: 1938-10-28
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Expires: 1958-02-14
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 12:53
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/38; H01H1/385; H01H33/00; H01H33/02; H01H33/04; H01H33/16

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