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Una máquina manual para roscar por fricción, caracterizada por comprender un bastidor o cuerpo principal constituido por un cilindro taladrado axialmente y una placa base solidaria a él provista de orificios para sujeción sobre mesa o banco, estableciéndose en el orificio axial citado un eje o émbolo articulado por un extremo a la palanca de accionamiento que tiene a su vez su extremo articulado a dicho bastidor.
ES0256402A1960-03-101960-03-10Una maquina manual para roscar por fricciën
ExpiredES256402A1
(es)