75041867
Jan 11, 1996
Oct 14, 1997
electrical power supplies for smelting plants; and control and monitoring devices for use in smelting plants, namely, programmable logic controllers, man-machine interfaces, sensors, actuators
Electrical and Scientific Apparatussmelting plants for the smelting of steel and other metals, smelting furnaces, component parts for smelting plants and smelting furnaces, namely, hydraulic control systems comprising hydraulic tanks, pressure vessels, hydraulic pumps, solenoid valves, safety devices
Environmental Control Apparatus