7 [ Fluid technology, gas technology and lubricating technology installations and components, in each case being machines or parts of machines for use in the automobile industry, for mobile hydraulics, the semiconductor industry, the food industry, the aerospace industry, the medical industry, the pharmaceutical industry, the oil and gas transport technology industry, the environmental engineering industry, the laboratory and testing technology industry, the household and sanitary systems industry, as well as for use in the mining industry and in the field of steelworks, for power plants and wind power installations, for machine tools, for transfer presses and for plastic injection moulding machines; hydropneumatic storage units being machine parts; memories, namely, accumulators, for hydraulic and pneumatic machines; machine parts, namely, piston accumulators, bubble memory devices, diaphragm accumulators, bellows accumulators, spring accumulators, all of the aforesaid being parts of machines and accumulator installations consisting of such accumulators, which are also parts of machines; machine parts, namely, hydraulic, hydropneumatic and reflective sound, vibration and pressure dampers, resonators for machines, silencers for machines; machine parts, namely, filtration devices and filters for use in all technical, chemical, biological, and process engineering applications in the filtration and separation technologies industries; replacement parts for all the aforesaid goods; coalescers, namely, separating machines; air, oil and water filter apparatus and filters, being parts of hydraulic and pneumatic machines, for filtration and separation technologies, usable for all technical, chemical, biological, and process engineering applications, namely, high-pressure, medium-pressure and low-pressure filters, liquid filters, line filters and process line filters, gas filters, including for seal gas systems, cyclone filters and other separating filters, filling filters and ventilation filters, full flow filters and bypass filters, multistage filters, return flow filters, including suction filters and return flow suction filters, tank-integrated filters, including ventilating and drying devices, drum filters and strip winding filters, perforated plate and screen filters, offline and inline filters, and spin-on filters, plastic melt filters and membrane filters; filter aggregates including draining devices being parts of machines; filter elements for air, oil and gas; perforated plate and screen filter elements, gap-type tube filter elements, rheological filter elements, flow filter elements, filter candles, filter cartridges, filter housings, filter discs and disc filter elements, filter mats, filter pots, filter cloths, filter bags, filter belts, filter packs and depth filter elements, all being parts of machines; separators for hydraulic or pneumatic machines, namely, fluid separators; cooling and heating units for industrial purposes, including heat exchangers being parts of machines for stationary and mobile applications for exchanging heat between liquid and gaseous media; shut-off equipment, shut-off apparatus, stopcocks, switch-over devices and ] valves being parts of machines, in particular for hydraulic and pneumatic propellants and media, namely, valves for inflow pressure and circulating pressure balances; flow control valves, priority valves, longitudinally linked valves, servo valves, shuttle valves, seat and slide valves, throttle valves, [ diaphragms, ] directional control valves, non-return valves, pressure, pressure control and pressure limiting valves, with and without indicators and monitoring equipment, venting valves; [ control apparatus being parts of machines, in particular for hydraulic and pneumatic installations, in particular flow-dividers and control blocks; ] valve control blocks [ ; hydraulic and pneumatic operating cylinders, being parts of machines; hydraulic and pneumatic motors and engines, gearboxes other than for land vehicles, clutches, pumps and compressors, in each case being parts of machines; hydraulic and pneumatic drive units for land, air and water vehicles and being parts of machines, in particular for process engineering, for general machine construction and for vehicles, in particular for construction machines, for machine tools, for machines for manufacturing plastics, for drives for tools, for presses, for transport installations, for shipping and aeronautics, for chemical and reactor technology, for mining and iron and steel works, and for rolling mills, in particular consisting of at least one hydraulic pump, at least one drive motor and at least one container of metal or plastic for liquids; hydraulic motors and engines; control apparatus, in particular electric, electro-mechanical and electro-hydraulic control apparatus for machines, motors and engines; lubricating machines consisting of lubricating apparatus and equipment, lubricating installations and supply apparatus for stationary and mobile applications; mechanically operated clamping apparatus, clamping machines and clamping tools; motor-driven hydraulic pressure and feed pumps, being parts of machines, adjustable and non-adjustable; hydraulic drive units for elevator controllers, transport controllers and lift controllers, in particular consisting of a hydraulic pump, a drive motor and a liquid container of metal or plastic; machines for industrial washing and cleaning; feeding, cutting, packaging and stranding equipment for wires, all being for hydraulic or pneumatic machines and electric motors for elevator controls ]