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Priority to ES0034172UpriorityCriticalpatent/ES34172Y/en
Publication of ES34172UpublicationCriticalpatent/ES34172U/en
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Publication of ES34172YpublicationCriticalpatent/ES34172Y/en
Electric heater for heating radiators, characterized by being composed of two concentric cylinders or prisms closed at the top and joined at the bottom on the entire surface of the ring or crown between them, forming a water circulation chamber and at the top an expansion vessel of heated air, with a pressure regulating vent. (Machine-translation by Google Translate, not legally binding)
ES0034172U1953-01-071953-01-07
Electric heater for heating radiators
ExpiredES34172Y
(en)
A procedure for the adjustable heating of the content of a metallic polymerization chamber (Machine-translation by Google Translate, not legally binding)
Procedure for the functioning of siemens-martin ovens with liquid fuel and oven siemens-martin for the practice of the procedure (Machine-translation by Google Translate, not legally binding)