74063083
May 29, 1990
Dec 3, 1991
furnaces for reclaiming metal from contaminated metal scrap, metal melting furnaces, furnaces for de-oiling and drying metal parts, furnaces for reclaiming foundry sand, furnaces for reclaiming copper, vibratory feed chutes for furnaces, effluent collectors for furnaces and parts of each of the foregoing apparatus
Environmental Control Apparatus