Electric Contacting Elements-Namely, Electric Contacts and Contact Making Electrodes Including Spot Welding Electrodes, Resistance Welding Electrodes, and Electric Upsetting Dies

METAL ALLOYS, COMPOUND METALS, AND TUNGSTEN-CONTAINING METALLURGICAL PRODUCTS FOR USE IN BEARINGS, CONTACTORS, VIBRATORS, MAKE-AND-BREAK DEVICES, AND WELDING ELECTRODE ELEMENTS