73522784
Feb 19, 1985
Oct 7, 1986
FURNACES AND ROASTERS FOR ROASTING, HEATING, COOKING, EXPANDING, EXFOLIATING, DRYING, COMBUSTING AND FOR COATING SOLID MATTER IN PARTICULATE OR GRANULAR FORM; FREEZERS AND CHILLERS FOR COOLING SOLID MATTER IN PARTICULATE OR GRANULAR FORM
Environmental Control Apparatus