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FR831712A Expired / Lapsed FR ⏱️ 0.0 years remaining

Variable-ratio gear, with a block of stepped toothed wheels, for measuring instruments

Assignee: Landis and Gyr AG
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Filing: 1938-01-05
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Granted: 1938-09-13
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Expires: 1958-01-05
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-25 23:27
CPC Classifications
G; G07; G07F; G07F15/00; G07F15/08

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