FR677670A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Photographic disc and its manufacturing process
Assignee: Ernest Prior
•
Filing: 1929-07-01
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Granted: 1930-03-13
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Expires: 1949-07-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest Prior
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 00:40
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76
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