73547113
Jul 9, 1985
Apr 28, 1987
REDUCTION, MELTING, REFINING AND TREATMENT FURNACES AND THE COMPONENTS PARTS THEREOF, NAMELY, PLASMA GENERATORS, TORCHES AND BURNERS, FALLING-FILM EQUIPMENT, REDUCING-GAS GENERATORS, HIGH TEMPERATURE MATERIALS OR GAS GENERATORS, MELTING CHAMBERS AND TANGENTIAL-INJECTION EQUIPMENT SOLD AS A UNIT
Environmental Control Apparatus