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FR700818A
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FR
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Amplifier lamp grids polarizer
Assignee: Societe des Etablissements Gaumont
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Filing: 1929-11-05
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Granted: 1931-03-07
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Expires: 1949-11-05
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 18:46
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/26
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