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Una válvula reforzada para balones y neumáticos, caracterizada por comprender un cuerpo tubular de goma o similar que en su boca lleva una expansión, siendo el hueco interior de este cuerpo a dos diámetros de los cuales el mayor es el correspondiente a la zona de fondo y separado del menor por un escalón del propio interior del cuerpo.
ES0058796U1957-02-261957-02-26Válvula para balones y neumáticos
ExpiredES58796Y
(es)