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 ES199326ApriorityCriticalpatent/ES199326A1/es
Publication of ES199326A1publicationCriticalpatent/ES199326A1/es
ES199326A1951-08-251951-08-25Dispositivo de válvulas concéntricas de aspiración y escape para motores de combustión a cuatro tiempos
ExpiredES199326A1
(es)