FR648494A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to electrical resistances
Assignee: Allen West and Co Ltd
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Filing: 1928-02-07
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Granted: 1928-12-10
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Expires: 1948-02-07
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 15:49
CPC Classifications
H; H01; H01C; H01C3/00; H01C3/10
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