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Individual
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Priority to ES118219ApriorityCriticalpatent/ES118219A2/es
Publication of ES118219A2publicationCriticalpatent/ES118219A2/es
ES118219A1930-05-231930-05-23Un nuevo dispositivo que permite la combustión racional en los hogares de combustión de los generadores de vapor.
ExpiredES118219A2
(es)