75183894
Sep 11, 1996
Jul 15, 1997
machine tools and parts therefor, namely, rotary valves, anti-segregational mechanisms, discharging mechanisms, flight conveyors, feeding valves, valves for injection of solids and sealing valves
Machineryheating and drying equipment, namely, retorts, pyrolisis reactors, circulating fluidized bed boilers, spouted bed reactors, entrained bed reactors and fluidized bed heat exchangers
Environmental Control Apparatus