72347566
Jan 2, 1970
Apr 3, 1973
HARDFACING ALLOYS, RODS AND ELECTRODES; POWDERED ALLOYS; RODS OF ALUMINUM, CAST IRON, BRONZE, NICKEL SILVER, PHOS COPPER, ALLOY STEEL AND CARBON STEEL [ ; SPECIAL ALLOYS AND METALS: ALLOY PIG IRON, FERROCHROMIUM, FERROCHROME SILICON, FERROSILICONE, FERROMANGANESE, SILICOMANGANESE AND STAINLESS STEEL; STEEL AND ALLOY FORGINGS: SEAMLESS ROLL FORGED TITANIUM RINGS AND SPECIAL STEEL AND ALUMINUM ALLOY RINGS ]
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