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 ES29827ApriorityCriticalpatent/ES29827A1/es
Publication of ES29827A1publicationCriticalpatent/ES29827A1/es
ES29827A1902-05-141902-05-14Un procedimiento industrial aplicable a la construcción de traviesas de cemento armado para vías-férreas.
ExpiredES29827A1
(es)