FR538650A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Polarized relays
Assignee: HASLER CI DEVANT L ATELIER DES
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Filing: 1921-07-23
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Granted: 1922-06-13
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Expires: 1941-07-23
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
2026-10-31 02:47
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2272
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