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FR994547A
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Projector fronto-focometer
Assignee: Raymond-Andre Dudragne
•
Filing: 1949-07-07
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Granted: 1951-11-19
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Expires: 1969-07-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond-Andre Dudragne
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 13:12
CPC Classifications
G; G01; G01M; G01M11/00; G01M11/02
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Total Claims: 0
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References Cited (Backward Citations)
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