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Priority to ES121907UpriorityCriticalpatent/ES121907Y/es
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Publication of ES121907YpublicationCriticalpatent/ES121907Y/es
Aparato de calefacción por doble convección de aire caracterizado esencialmente por haberse previsto la disposición en su interior de dos cámaras de circulación de aire contiguas una con la otra en las que la circulación del aire se hace por convección natural tan solo por diferencias de densidades del aire frío y caliente.
ES121907U1966-05-201966-05-20Aparato de calefaccion por doble conveccion de aire.
ExpiredES121907Y
(es)