72025233
Feb 28, 1957
Nov 12, 1957
FINISHED CAST ALLOY STEEL FOUNDRY PRODUCTS, SUCH AS CRUSHER JAWS FOR CRUSHING ORES, SLAGS, AND MINERALS; AS ROLLS FOR USE IN ROLLING MILLS; AS BALLS FOR USE IN BALL MILLS; AS THE HEADS, RINGS, PLATES, BOTTOMS, DISCS, RIMS, LINERS, IMPELLERS, AND SHELLS OF CRUSHING PULVERIZERS FOR PULVERIZING ORES, SLAGS, AND MINERALS; AS GEARS AND PINIONS; AS SPINDLES AND COUPLING BOXES FOR ROLLING MILLS; AS SHEAVES AND SPROCKETS; AS WORMS AND WORM WHEELS; AS THE TRACK-ENGAGING WHEELS OF TRAVELING CRANES; AS CAMS; AS HAMMER DIES; AS BEATERS IN THE FORM OF SWINGING HAMMERS IN PULVERIZING APPARATUS FOR FRANGIBLE MATERIALS; AS PLUG MILL KNIVES; AS PLOW POINTS AND SCRAPERS; AS TIPS AND TEETH FOR DREDGING BUCKETS AND SCOOPS; AS CHAIN CONVEYOR LINKS AND ROLLERS; AND AS PIG MACHINE ROLLERS
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