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 ES111420ApriorityCriticalpatent/ES111420A1/es
Publication of ES111420A1publicationCriticalpatent/ES111420A1/es
ES111420A1929-02-151929-02-15Perfeccionamientos en la construcción de carreteras y calzadas por el procedimiento llamado de penetración.
ExpiredES111420A1
(es)