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Individual
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Individual
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Priority to ES75001ApriorityCriticalpatent/ES75001A1/es
Publication of ES75001A1publicationCriticalpatent/ES75001A1/es
ES75001A1920-07-231920-07-23Mejoras en los hornos con el correspondiente procedimiento de combustión de combustible pulverulento.
ExpiredES75001A1
(es)