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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Application filed by IndividualfiledCriticalIndividual
Priority to ES173307ApriorityCriticalpatent/ES173307A1/en
Publication of ES173307A1publicationCriticalpatent/ES173307A1/en
ES173307A1946-04-231946-04-23
IMPROVEMENTS IN INTERNAL COMBUSTION ENGINES, COMPRESSORS AND SIMILAR MACHINES, BASED ON PISTONS WITHOUT ROD
ExpiredES173307A1
(en)