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 ES2933ApriorityCriticalpatent/ES2933A1/es
Publication of ES2933A1publicationCriticalpatent/ES2933A1/es
ES2933A1882-12-181882-12-18Un procedimiento para la fabricación de ladrillos de doble encaje, llamado ladrillo conjuntivo o de unión.
ExpiredES2933A1
(es)