7 Fluid technical, gas technical and lubrication technical installations and components for hydraulic and pneumatic installations and transformers, in particular for use in the automobile industry, including mobile hydraulics, the semiconductor industry, the food industry, aeronautics, medicine, pharmaceutics, oil and gas transport technology, environmental engineering, laboratory and testing technology, household and sanitary systems, and in mining and in the field of steelworks, power plants, wind energy plants, machine tools, transfer presses and plastic injection moulding machines, namely, transformer care units being machine parts designed to extend the operating life of oil-filled transformers and reactors through a continuous degassing, dewatering and filtration of the insulating oil; hydraulic and pneumatic storage units being machine parts; piston accumulators, bladder accumulators, diaphragm accumulators, bellows accumulators, spring accumulators, in each case being parts of machines, and accumulator installations consisting of such accumulators, being parts of machines, Including in the field of offshore and deep sea applications; hydraulic, pneumatic and reflective sound, vibration and pressure dampers, resonators, silencers, in each case being parts of 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 filters and screen filters, offline filters and inline filters and spin-on filters, plastic melt filters, membrane filters; replacement parts for the abovementioned goods; coalescer as parts of machines; filter aggregates in the nature of air, oil and gas filtering devices, dehydrating apparatus and separation apparatus for separating particle contamination of gases, air, and liquids, including oil, all being parts of machines; filter elements for air, oil and gas, 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, and depth filter elements, including woven materials for filters, all being parts of machines; Machine parts, namely, cooling and heating units for industrial purposes, including heat exchangers as parts of machines, for stationary and mobile applications for exchanging heat between liquid and/or gaseous media; Machine parts, namely, shut-off equipment, shut-off apparatus, shut-off valves, switchover devices and valves being parts of machines, in particular for hydraulic and pneumatic drive means and propulsion media, in particular inflow pressure and circulating pressure balances, flow control valves, priority valves, shuttle valves, seat valves and slide valves, throttle valves, directional control valves, check valves, pressure valves, pressure control valves and pressure limiting valves, optionally with indicators and monitors, and vent valves; control apparatus being parts of machines, in particular for hydraulic and pneumatic installations, namely, flow-dividers and control blocks, including valve control blocks; hydraulic or pneumatic operating cylinders, being parts of machines; hydraulic and pneumatic motors and engines, gears, couplings, pumps and compressors, all being machine parts; hydraulic or pneumatic drive units for machines, in particular for process engineering, for general machine construction, 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; Machine parts, namely, tanks and other storage equipment for liquids; hydraulic motors and engines for machines; Machine parts, namely, electrical controlling devices, in particular electric, electro-mechanical and electro-hydraulic control apparatus; lubricating apparatus and equipment and lubricating installations, namely, lubricating machines; supply apparatus for stationary and mobile application, namely, distributors for hydraulic and pneumatic installations and machines; Parts of hydraulic and pneumatic machines, namely, mechanically operated clamping apparatus and clamping machine tools; Clamping machines for industrial use; motor- driven hydraulic pressure and feed pumps, being parts of machines, adjustable and non-adjustable; hydraulic drives for machines in particular 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; electric motors for machines; pressure transducers as parts of machines; pressure switches as parts of machines; coalescer as parts of machines; oil filters, 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, drum filters and strip winding filters, perforated plate filters and screen filters, offline filters and inline filters and spin-on filters, plastic melt filters, and membrane filters; oil filter component parts, namely, perforated sheet filter and screen filter elements, gab-type tube filter elements, rheological filter elements, flow filter elements, filter candles, filter cartridges, filter housings, filter sheets and disc filter elements, filter mats, filter pots, filter cloths, filter bags, filter belts, filter packs and depth filter elements, including woven materials for filters