Patent FR840174A successfully refreshed from Google Patents.
FR840174A
Expired / Lapsed
FR
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Printer for sound-visual films
Assignee: Klangfilm GmbH
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Filing: 1938-07-02
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Granted: 1939-04-20
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Expires: 1958-07-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 17:13
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/46
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