7 CENTRAL LUBRICATING EQUIPMENT COMPRISING LUBRICATING PUMPS, BARREL PUMPS, LUBRICANT SPREADERS, AND VALVES, FILTERS AND ARMATURES BEING PARTS OF MACHINES; LUBRICATING DEVICES, NAMELY, ELECTRICALLY AND AIR-OPERATED GREASE AND OIL GUNS, PNEUMATIC SPRAY GUNS FOR PAINTS AND VARNISHES AND PNEUMATIC AND ELECTRIC PUMPS AND VALVES THEREFOR; WORKSHOP AND SERVICE STATION EQUIPMENT, NAMELY, HOSE WINDERS, LIFTING PLATFORMS, BATCHER GUNS; EQUIPMENT FOR COMPRESSED AIR SYSTEMS, NAMELY, COMPRESSORS, WATER SEPARATORS, OIL SPRAYERS AND MIST OILERS