FR537668A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Reproduction device, in particular for the production of copies of films
Assignee: Erich Pyron
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Filing: 1921-06-29
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Granted: 1922-05-27
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Expires: 1941-06-29
Abstract
No abstract record available.
Inventors
- 👤 Erich Pyron
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 15:18
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/04; G03B27/08
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