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Individual
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Individual
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Priority to ES124792ApriorityCriticalpatent/ES124792A1/es
Publication of ES124792A1publicationCriticalpatent/ES124792A1/es
ES124792A1931-11-211931-11-21Un calentador de aire para introducir éste en estufas domésticas, fogones, calderas u otras instalaciones de caldeo.
ExpiredES124792A1
(es)