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Perfeccionamientos en los mecanismos de cambio de marchas y embragueconsistentes en adscribir al eje motriz una rueda cónica que engrana con cuatro piñones cónicoscuyos ejes giran locos en cojinetes apropiados que les presenta una corona circulary quea través de los citados piñonesestá relacionada con otra igual a la que mueve un sentido en el otro o bien no mueve en absoluto según esté bloqueada a un punto exteriorsolidarizada con el eje motriz o bien completamente desfrenada.
ES0246986A1959-01-311959-01-31Perfeccionamientos en los mecanismos de cambios de marchas y embrague
ExpiredES246986A1
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