FR759476A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electric heating resistance for the production of high temperatures
Assignee: CARBO KERAMIK AG FA
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Filing: 1933-07-18
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Granted: 1934-02-03
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Expires: 1953-07-18
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
2026-10-27 17:28
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/44
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