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FR742483A
Expired / Lapsed
FR
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IMPROVEMENTS TO CLOCKS WITH SYNCHRONOUS MOTORS CONNECTED TO AN ALTERNATIVE CURRENT SECTOR
Assignee: Leon Hatot SA Switzerland
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Filing: 1931-12-12
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Granted: 1933-03-08
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Expires: 1951-12-12
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
2026-11-08 19:24
CPC Classifications
G; G04; G04C; G04C15/00
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