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FR757811A
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FR
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Improvements to indicating devices, in particular to those giving two different expressions of the same factor, such as speedometers and combined tachometers for automobiles
Assignee: Marc Birkigt
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Filing: 1933-06-30
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Granted: 1934-01-05
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Expires: 1953-06-30
Abstract
No abstract record available.
Inventors
- 👤 Marc Birkigt
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 04:54
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08
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