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FR644402A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements in safety devices for overvoltages

Assignee: ELEK SCHER und MECHANISCHER AP
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Filing: 1927-11-23
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Granted: 1928-10-08
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Expires: 1947-11-23
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Abstract

No abstract record available.

Inventors

  • 👤 Adolf Salomon

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 14:01
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/10; H01T4/12

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