WEAR-RESISTING PIECES CONSISTING OF CEMENTED HARD METALLIC COMPOSITIONS-NAMELY, INSERTS TO BE USED IN 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 CUTTING TOOLS, LATHE-CENTERS, BEARING-SURFACE AND WEARING-SURFACE PARTS, PUMP-VALVES WHICH EMBODY SUCH WEAR-RESISTING PIECE-IN

'bear':34,56 'bearing-surfac':33,55 'cement':7 'center':31,54 'composit':11 'compositions-nam':10 'consist':5 'cut':21,50 'embodi':67 'hard':8 'insert':13 'lath':30,53 'lathe-cent':29,52 'materi':27 'metal':9,24 'name':12 'part':40,46,62 'piec':4,73 'piece-in':72 'pump':43,64 'pump-valv':42,63 'resist':3,71 'shape':23 'surfac':35,39,57,61 'thereof':47 'tool':18,51 'use':16 'valv':44,65 'wear':2,38,60,70 'wear-resist':1,69 'wearing-surfac':37,59 'work':20

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