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Mejoras en la construcción de máquinas para cerrar tubos de sustancias pastosas, caracterizadas porque la palanca destinada a cerrar las escuadras y partes dentadas que cierran el tubo, se prolonga, al lado opuesto de su eje de giro, en un mango agarradero de accionamiento a mano.
ES0258911A1960-06-131960-06-13Mejoras en la construcciën de maquinas para cerrar tubos de sustancias pastosas
ExpiredES258911A2
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