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Individual
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Priority to ES41775ApriorityCriticalpatent/ES41775A2/es
Publication of ES41775A2publicationCriticalpatent/ES41775A2/es
ES41775A1907-10-121907-10-12El mecanismo "tren concéntrico Planetario" con embrague individual para cambios de velocidad en las transmisiones.
ExpiredES41775A2
(es)