FR874370A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Servo-motor selective relay
Assignee: Compteurs Schlumberger SA
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Filing: 1940-01-11
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Granted: 1942-08-05
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Expires: 1960-01-11
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
2026-10-30 23:03
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/30; H01H51/32
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