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FR44984E Expired / Lapsed FR ⏱️ 0.0 years remaining

Method and device for the service of sound frequency remote control installations

Assignee: Siemens Schuckertwerke AG
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Filing: 1934-07-04
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Granted: 1935-05-01
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Expires: 1954-07-04
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 02:27
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; H02J13/1313; Y; Y02; Y02E; Y02E60/00; Y04; Y04S; Y04S40/00; Y04S40/12; Y04S40/121

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