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Individual
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Individual
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Priority to ES0084321UpriorityCriticalpatent/ES84321U/es
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Afilador para minas de lapicero, perfeccionado, que comprende una carcasa hueca, dotada en su cúspide de un calado de paso por el que penetra y queda articuladamente suspendida una pieza tubular, en la que se introduce el lapicero, cuya punta grafitada se desea afilar; y una pieza tubular troncocónica en cuya cara interna granularmente constituida se realiza mediante fricción el afilado de la punta grafitada del lapicero.
ES0084321U1960-11-221960-11-22Afilador para minas de lapicero, perfeccionado
PendingES84321U
(es)