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Individual
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Individual
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Priority to ES152772ApriorityCriticalpatent/ES152772A1/es
Publication of ES152772A1publicationCriticalpatent/ES152772A1/es
ES152772A1941-05-131941-05-13Un procedimiento de fabricación de baldosas especiales de madera, cemento e impermeabilizante de asfalto
ExpiredES152772A1
(es)