首页>
外国专利>
Grinding contact path (flat web controller) for switching - in steps, finely divided resistors, which is made of layered and mutually insulated lamellae is built up by clamping bolts are pressed together with the interposition of a spring
Grinding contact path (flat web controller) for switching - in steps, finely divided resistors, which is made of layered and mutually insulated lamellae is built up by clamping bolts are pressed together with the interposition of a spring