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PAUL ANDERSON FREDERICK
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PAUL ANDERSON FREDERICK
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Publication of ES241759A1publicationCriticalpatent/ES241759A1/es
Mejoras en un material de cosntrucción tal como una mezcla de hormigón,caracterizadas porque contiene partículas no quebradizas,celulares y elásticas, dispersadas de modo virtualmente uniforme en todo material.
ES0241759A1957-05-151958-05-06Mejoras en un material de construccion, tal como una mezcla de hormigon
ExpiredES241759A1
(es)