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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Swain M M Walter
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Swain M M Walter
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Application filed by Swain M M WalterfiledCriticalSwain M M Walter
Priority to ES13514ApriorityCriticalpatent/ES13514A1/es
Publication of ES13514A1publicationCriticalpatent/ES13514A1/es
Un sistema y aparato para hacer girar cada una de las ruedas de un eje en los Wagones y carros de los ferrocarriles, independientemente la una de la otra.