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Individual
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Individual
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Priority to ES215725ApriorityCriticalpatent/ES215725A1/en
Publication of ES215725A1publicationCriticalpatent/ES215725A1/en
Improvements in running inverters, characterized by the establishment of two conical toothed crowns with their central part hollowed out as a bell, in relation to two small conical pinions that mesh with both crowns and transmit the rotation from one to the other. (Machine-translation by Google Translate, not legally binding)
ES215725A1954-06-021954-06-02Improvements in diverse de marcha (Machine-translation by Google Translate, not legally binding)
ExpiredES215725A1
(en)