73749316
Aug 31, 1988
Dec 26, 1989
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, CIRCULATING FLUIDIZED BED BOILERS, SPOUTED BED REACTORS, ENTRAINED BED REACTORS AND FLUIDIZED BED HEAT EXCHANGERS
Environmental Control Apparatus