FR809389A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Autogenous welding transformer
Assignee: BBC BROWN BOVERI and CIE
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Filing: 1936-07-13
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Granted: 1937-03-02
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Expires: 1956-07-13
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
2026-11-01 22:44
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/08; H01F29/10
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