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FR852026A Expired / Lapsed FR ⏱️ 0.0 years remaining

Electrical feedthrough for vacuum reaction apparatus

Assignee: Bernhard Berghaus
•
Filing: 1939-03-23
•
Granted: 1940-01-22
•
Expires: 1959-03-23
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Abstract

No abstract record available.

Inventors

  • 👤 Bernhard Berghaus

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 11:07
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/32431; H01J37/32532; H01J37/32577; H01B; H01B17/00; H01B17/26; H01B17/28; H01B17/30; H01B17/303; H01B17/308; H01J17/00; H01J17/02; H01J17/04

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