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Priority to ES474436ApriorityCriticalpatent/ES474436A1/en
Publication of ES474436A1publicationCriticalpatent/ES474436A1/en
Improvements in heat accumulators for heating buildings, with means for conducting a fluid that serves as a thermal carrier by means of heat accumulation, with thermal insulation against premature heat loss, characterized in that the heat storage medium consists of different solid materials with different thermal conductivity, and the ground of the existing subsoil constitutes in relation to volume the greater percentage of the thermoaccumulator. (Machine-translation by Google Translate, not legally binding)
ES474436A1978-10-231978-10-23Improvements in thermopumulators to heat buildings. (Machine-translation by Google Translate, not legally binding)
ExpiredES474436A1
(en)