WEAR-RESISTING PIECES CONSISTING OF CEMENTED HARD METALLIC COMPOSITIONS-NAMELY, INSERTS TO BE USED IN DIES AND TOOLS FOR WORKING, CUTTING, OR SHAPING METAL AND OTHER MATERIALS, IN LATHE-CENTERS, IN BEARING-SURFACE AND WEARING-SURFACE PARTS, IN PUMP-VALVES AND PARTS THEREOF, AND FOR DIES, CUTTING TOOLS, LATHE-CENTERS, BEARING-SURFACE AND WEARING-SURFACE PARTS, PUMP-VALVES WHICH EMBODY SUCH WEAR-RESISTING PIECES.

'bear':36,59 'bearing-surfac':35,58 'cement':7 'center':33,57 'composit':11 'compositions-nam':10 'consist':5 'cut':23,53 'die':18,52 'embodi':70 'hard':8 'insert':13 'lath':32,56 'lathe-cent':31,55 'materi':29 'metal':9,26 'name':12 'part':42,48,65 'piec':4,75 'pump':45,67 'pump-valv':44,66 'resist':3,74 'shape':25 'surfac':37,41,60,64 'thereof':49 'tool':20,54 'use':16 'valv':46,68 'wear':2,40,63,73 'wear-resist':1,72 'wearing-surfac':39,62 'work':22

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