FR23141E
Expired / Lapsed
FR
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Gyroscopic or liquid auto-collimator and its applications in geodesy, marine and artillery
Assignee: CHARLES STAPFER
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Filing: 1920-02-21
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Granted: 1921-10-04
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Expires: 1940-02-21
Abstract
No abstract record available.
Inventors
- 👤 Edme-Etienne-Joseph Bonneau
- 👤 Charles Stapfer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 05:43
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44
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