75883405
Dec 30, 1999
INDUSTRIAL COAL-FIRED FURNACES, INDUSTRIAL OIL-FIRED FURNACES, INDUSTRIAL GAS-FIRED FURNACES, FLUIDIZED BED REACTORS, HEAT EXCHANGERS USED IN METALLURGICAL AND COMBUSTION PROCESSES AND CLEANERS OF GASES FORMED IN METALLURGICAL AND COMBUSTION PROCESSES, AND INDUSTRIAL AND MUNICIPAL WASTE-FIRED FURNACES
Environmental Control Apparatus