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DE564640C Expired / Lapsed DE ⏱️ 0.0 years remaining

Electromagnetic switching device for intermittently moving film strips, especially for advertising projectors

Assignee: Individual
•
Filing: 1931-07-08
•
Granted: 1932-11-21
•
Expires: 1951-07-08
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-26 09:56
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18

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