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Mejoras en llaves de paso para presión de aire, caracterizadas porque están constituidas esencialmente por un cuerpo metálico, horadado en sentido longitudinal en el que van dispuestos tres conductos que corresponden: Uno a la entrada de presión de aire y los otros dos a conductos que distribuyen el aire al mecanismo que se desea accionar.
ES0249897A1959-06-061959-06-06Mejoras en llaves de paso para presiën de aire
ExpiredES249897A1
(es)