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Priority to ES1969145745UpriorityCriticalpatent/ES145745Y/en
Publication of ES145745UpublicationCriticalpatent/ES145745U/en
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Publication of ES145745YpublicationCriticalpatent/ES145745Y/en
Improved heating body, for electric laboratory heating apparatuses, characterized in that it consists of an appropriately concave shaped body, constituted by a continuous element composed of a spiral conductor wire, protected with an insulating sheath and covered by a woven cover on said sheath with vitreous thread, so that the shape of the body has been obtained by means of this cover worked in spiral. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of heating appliances with filiforme electrical resistance. (Machine-translation by Google Translate, not legally binding)