K138

WEAR-RESISTING PIECES CONSISTING OF CEMENTED HARD METALLIC COMPOSITIONS-NAMELY, INSERTS TO BE USED IN TOOLS FOR CUTTING WELDED FLASH, IN TOOLS FOR SPINNING HEATED METAL, IN RAMS OR PUNCHES FOR DEFORMING HEATED METAL IN TOOLS FOR WORKING HEATED METAL, IN BEARING SURFACE AND WEARING-SURFACE PARTS, IN HEAT-RESISTING PARTS FOR GAS TURBINES, IN HEAT-RESISTING PARTS FOR GAS ENGINES, IN HEAT-RESISTING PARTS FOR DIESEL ENGINES, IN PUMP VALVES AND PARTS THEREOF AND FOR TOOLS FOR WORKING HEATED METAL, BEARING-SURFACE AND WEARING-SURFACE PARTS,HEAT-RESISTING PARTS FOR GAS TURBINES, HEAT-RESISTING PARTS FOR GAS ENGINES, HEAT-RESISTING PARTS FOR DIESEL ENGINES, PUMP VALVES AND PARTS THEREOF, SUPPORTS IN HIGH TEMPERATURE FURNACES-IN