APPARECCHIO D'APPOGGIO DI TIPO ACCIAIO/TEFLON CON DISCO IN ELASTOMERO INCAPSULATO RESO DIELETTRICAMENTE ISOLANTE
摘要
<p>This is a new fixed support with capability of dielectric insulation. A dielectric insulating layer is placed between the base plate and a distributing ring. The support finds particular use in railway crossings. <IMAGE></p>
