7 Machine coupling and transmission components, except for land vehicles; hydraulic accumulators for storing and providing pressure, being parts of machines and automotive vehicles; hydraulic reservoirs, in particular diaphragm accumulators, piston accumulators, pressure accumulators, accumulators for axle suspension, wheel suspension and/or cab suspension, all being parts of machines or automotive vehicles; couplings for machines; belts for machines; rollers for printing machines; diaphragms for pumps and valves; anti-friction bearings for machines; ball-bearings, roller bearings and plain bearings being parts of machines; self-lubricating bearings for machines; fitted parts made of self-lubricating artificial resins and plastics for improving sliding properties, namely, self-lubricating bearings for machines; engine bearings for transmission shafts; journal boxes as parts of machines; mechanical seals as parts of machines; mechanical seals as parts of motors, in particular as crank shaft seals; mechanical seals as gear seals, turbocharger gaskets, or for sealing of electric motors or gear units; mechanical seals for hydro-dynamic or pneumatic applications, in particular as parts of motors or gear units; machine of metal for use in the gas and oil industry, in particular scrapers of metal, pressure test seals, components for wireline and downhole tools and shutter valves; machine or vehicle parts, namely, rod wipers and piston guide rings used in hydraulic and pneumatic cylinders; machine or vehicle parts, namely, guide and oil-removing elements for hydraulic and pneumatic cylinders; guide elements for hydraulic and pneumatic machine or vehicle parts, in particular guide rings and bearing rings for protection of cylinder rods and pistons; intake manifolds for land, air and water vehicles; engine parts for air and water vehicles, namely, shaft couplings, transmission shafts, driving gear elements, journal boxes, as parts of machines or vehicles, machine belts; bellows being parts of machines or vehicles; rubber expansion bellows being parts of machines or vehicles, expansion bellows of thermoplastic elastomers being parts of machines or vehicles; elastic bearings for machines being sound and vibration absorption parts; pneumatic springs and spring struts with bellows of elastomeric material for supporting vibrating parts of vehicles and machines; elastic springs for sound, vibration and shock absorption, being parts of machines; multilayer springs for sound, vibration and shock absorption, being parts of machines; valves for machines, motors and engines; moulded semi-finished parts (not included in other classes) and finished goods of vulcanized perfluoroelastomers in the form of diaphragms for hydraulics, pneumatics and mechanical engineering; machine or vehicle parts, namely, hydraulic bearings, spherical bearings, conical bearings, machine bearings, flat bearings, wedge-shaped bearings, round bearings, instrument bearings, support bearings, barrel roller bearings, framework support bearings, axle guide bearings, hydraulic axle guide bearings, double U bearings, V bearings, MO bearings, M bearings, O-shaped bearings; machine or vehicle parts, namely, hydraulic bushings; springs being parts of machines or vehicles, namely, multilayered springs, conical springs, chevron springs, roller springs, auxiliary springs; spring inserts; spring bases; rolling support machines for use in the oil and gas industry; floor buffers; transverse and longitudinal floor buffers; electric floor cleaning machines, cleaning robots; electric floor cleaning brushes, parts of machines, electric cleaning apparatus for hard surfaces, in particular electric window cleaning apparatus, suction apparatus for cleaning windows; electric cleaning machines and apparatus for carpets and carpeting; filters being parts of machines, motors, and engines; lubricant dispensers, namely, automated lubricant dispensers for machines; diaphragms, in particular accumulator and separator diaphragms, pump diaphragms, regulating and switching diaphragms