Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES23865ApriorityCriticalpatent/ES23865A3/es
Publication of ES23865A3publicationCriticalpatent/ES23865A3/es
ES23865A1899-02-221899-02-22Un procedimiento para la producción de un material calcinado, quebradizo de una mezcla de cemento en bruto.
ExpiredES23865A3
(es)