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 ES13175ApriorityCriticalpatent/ES13175A1/es
Publication of ES13175A1publicationCriticalpatent/ES13175A1/es
ES13175A1892-04-191892-04-19Sistema mejorado de nivelar los raíles hundidos de la vías férreas, utilizando los aparatos que se describen.
ExpiredES13175A1
(es)