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NUEVA ZAPATA DE FRENO PARA BICICLETAS caracterizada por haberse previsto en la pieza elástica que la constituye y en la cara que se ha de quedar en contacto con el borde de la llanta de la rueda a frenar una serie de incisiones longitudinales y paralelas entre si cruzadas por otras similares y transversales que originan la constitución de una superficie espoleada conforme a pequeños troncos de pirámide cuadrángular con notable aumento de la superficie de rozamiento y consiguiendo un máximo de potencia de freno con un mínimo de esfuerzo sobre el mecanismo correspondiente.
ES123313U1966-07-141966-07-14Nueva zapata de freno para bicicletas.
ExpiredES123313Y
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