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FR678145A
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Method for detecting the variation of resistance of a photoelectric cell and device for carrying out this method
Assignee: DUCRETET SOC D Ets
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Filing: 1928-10-31
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Granted: 1930-03-19
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Expires: 1948-10-31
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
2026-10-23 15:49
CPC Classifications
H; H01; H01J; H01J40/00; H01J40/02; H01J40/14
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