FR522956A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Radiological diaphragm
Assignee: ROBERT LOUIS ERNEST CASEL
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Filing: 1919-04-25
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Granted: 1921-08-09
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Expires: 1939-04-25
Abstract
No abstract record available.
Inventors
- 👤 Robert-Louis-Ernest Casel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 16:50
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/02; G21K1/04
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References Cited (Backward Citations)
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