Patent FR508690A successfully refreshed from Google Patents.
FR508690A
Expired / Lapsed
FR
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Device for graduating printing in cinematographic devices
Assignee: CONTINSOUZA ETS
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Filing: 1920-01-16
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Granted: 1920-10-20
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Expires: 1940-01-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 07:34
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08
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Total Claims: 0
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