FR853324A
Expired / Lapsed
FR
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Improvements to modulation circuit systems for high frequency electrical signaling
Assignee: Marconis Wireless Telegraph Co Ltd
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Filing: 1939-04-22
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Granted: 1940-03-15
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Expires: 1959-04-22
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 14:49
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/16; H03C1/18; H03C1/20
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