FR553451A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Pneumatically controlled electric switch with spark blowing by means of air injection
Assignee: Maschinenfabrik Oerlikon AG
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Filing: 1922-06-29
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Granted: 1923-05-24
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Expires: 1942-06-29
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 07:54
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/32
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