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Individual
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Individual
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Priority to ES128478ApriorityCriticalpatent/ES128478A1/es
Publication of ES128478A1publicationCriticalpatent/ES128478A1/es
ES128478A1932-11-081932-11-08Procedimiento para la elaboración de materiales de construcción que contengan cemento, de rápido fraguado.
ExpiredES128478A1
(es)