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FR695684A
Expired / Lapsed
FR
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Improvements to measuring devices that must be able to perform several types of measurement, in particular electrical measuring devices
Assignee: Henri-Andre Richard
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Filing: 1930-05-15
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Granted: 1930-12-19
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Expires: 1950-05-15
Abstract
No abstract record available.
Inventors
- 👤 Henri-Andre Richard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 14:27
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/002
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References Cited (Backward Citations)
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