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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YDE SA
Original Assignee
YDE SA
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Filing date
Publication date
Application filed by YDE SAfiledCriticalYDE SA
Priority to ES272136ApriorityCriticalpatent/ES272136A1/es
Publication of ES272136A1publicationCriticalpatent/ES272136A1/es
ES272136A1961-11-181961-11-18Perfeccionamientos en la construcción de graderios mediante estructuras tubulares, reticuladas desmontables
ExpiredES272136A1
(es)