73002554
Oct 2, 1973
Dec 16, 1975
AIR AND GAS PURIFYING MACHINES FOR INDUSTRIAL PLANTS; GAS SCRUBBERS; MACHINES FOR CONSTRUCTING SHEET METAL PIPING; AIR FORCE PUMPS; MOTOR DRIVES; BEARINGS; MACHINE SHAFTS AND SEALS AND MACHINES FOR SEPARATING AND RECOVERING FIRE SUSPENSIONS, SUCH AS, METAL SMOKE, FOG, AND GASSES
MachineryTEMPERATURE MEASURING AND CONTROL APPARATUS FOR INDUSTRIAL PLANTS
Electrical and Scientific Apparatus