FR852025A
Expired / Lapsed
FR
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Electric feedthrough for vacuum furnaces for annealing and melting
Assignee: Bernhard Berghaus
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Filing: 1939-03-23
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Granted: 1940-01-22
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Expires: 1959-03-23
Abstract
No abstract record available.
Inventors
- 👤 Bernhard Berghaus
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 18:36
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32018; B; B60; B60K; B60K11/00; B60K11/06; H01J17/00; H01J17/02; H01J17/04; H01J17/18; H01J17/186
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