73625690
Oct 17, 1986
Mar 1, 1988
EXPLOSION AND DETONATION HATCHES USED IN ASSOCIATION WITH BLAST FURNACES, FLUE GAS CONTROL DAMPERS, BATCH CHARGING MACHINES FOR FEEDING QUARTZ SAND INTO A GLASS FURNACE, LIFT-OUT ROLLER DRIVES, LEHR ROLLERS, EQUARRIS, LIFTERS FOR HANDLING MATERIALS OPERABLE MECHANICALLY, ELECTRICALLY OR HYDRAULICALLY
MachineryELECTRIC, PNEUMATIC, HYDRAULIC AND COMPUTER CONTROLLED VALVES, NAMELY, WEDGE-WITHIN-WEDGE VALVES, THROUGH CONDUIT VALVES, HIGH PERFORMANCE BUTTERFLY VALVES, FCC-VALVES, SOLID SHUT-OFF VALVES, VALVES FOR GLASS TANKS, FLUE GLASS CHANGE-OVER VALVES, COMBUSTION AIR CHANGE-OVER VALVES, DOUBLE DECK SLIDE VALVES, FLUE DUCT VALVES AND MULTI-LOUVRE VALVES
Electrical and Scientific Apparatus