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Application filed by Voigt & Haeffner AgfiledCriticalVoigt & Haeffner Ag
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Publication of DK84193CpublicationCriticalpatent/DK84193C/en
DK67155A1954-03-161955-02-28
Process for the production of heat winding connections, in particular for electrically heated tubular heating elements.
DK84193C
(en)