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FR799350A
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Accompaniment sound level detector-regulator in cinematographic sound recording
Assignee: STUDIOS PARAMOUNT FRANC
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Filing: 1935-12-17
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Granted: 1936-06-11
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Expires: 1955-12-17
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 11:18
CPC Classifications
G; G03; G03B; G03B31/00
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