AMERA-MAG

NON-ELECTRIC INDUSTRIAL CRUCIBLES FOR MELTING, HEATING, REHEATING OR SUPERHEATING MATERIALS [ SUCH AS METALS, SULPHUR, GLASS, SALTS, ETC.; ] NON-ELECTRIC INDUSTRIAL KETTLES, POTS, PANS AND VESSELS USED IN HEATING OR MELTING [ METALS, SULPHUR, GLASS, SALTS, VARNISH, TAR, ETC.; AND ] NON-ELECTRIC ANNEALING BOXES, CARBURIZING BOXES, [ RETORTS, RETORT BOXES, ] SHELLS AND CASINGS FOR MELTING AND HEAT TREATING FURNACES