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FR38808E
Expired / Lapsed
FR
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Earth relay for the protection of low voltage networks
Assignee: Michel-Jean Paulin
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Filing: 1930-06-20
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Granted: 1931-07-31
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Expires: 1950-06-20
Abstract
No abstract record available.
Inventors
- 👤 Michel-Jean Paulin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 20:43
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/021; H02H3/023
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References Cited (Backward Citations)
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