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Individual
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Individual
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Priority to ES136870ApriorityCriticalpatent/ES136870A1/es
Publication of ES136870A1publicationCriticalpatent/ES136870A1/es
ES136870A1935-01-121935-01-12Procedimiento para la refrigeración de toda clase de materias por medio de aire, gas o mezclas gaseosas.
ExpiredES136870A1
(es)
Un dispositivo locomóvil para purificar el aire de polvo, humo, gérmenes y similares, y calentarlo, humedecerlo y enfriarlo al mismo tiempo en múltiple formas.