FR693581A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Repeated advancement device for cinematographic films
Assignee: Siemens and Halske AG
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Filing: 1930-04-09
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Granted: 1930-11-21
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Expires: 1950-04-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 06:46
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/20; G03B1/34
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