Patent US3947984A successfully refreshed from Google Patents.
Patent DE664707C successfully refreshed from Google Patents.
DE664707C
Expired / Lapsed
DE
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Electrically heated hotplate with large heat capacity with two heating conductors, the heating output of which can be regulated by means of series parallel connection
Assignee: Voigt and Haeffner AG
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Filing: 1934-06-09
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Granted: 1938-09-02
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Expires: 1954-06-09
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 09:58
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/102; F24C15/106
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