7 Machine coupling and transmission components, except for land vehicles; [ Hydraulic accumulators for storing and providing pressure, being parts of machines; Hydraulic accumulators, in particular diaphragm accumulators, piston accumulators, accumulators for axle suspension, wheel suspension and cab suspension, all being parts of machines; ] pump diaphragms; valve diaphragms being parts of machines; [ Anti-friction bearings for machines; vehicle engine parts, namely, ball bearings; roller bearings and bearings as machine parts; Self-lubricating engine bearings; Bearings for transmission shafts, being parts of machines; Journal boxes; ] Seals as parts of automotive engines; [ Rod wipers and piston guide rings as component parts of machines and vehicle engines, namely, hydraulic and pneumatic cylinders; Parts for motors and engines of air and water vehicles, namely, shaft couplings; ] components for industrial machines and vehicle engines, namely, Piston rings, guide rings, valves and parts therefor [, bearings and guides of plastic or predominantly of plastic, in particular of fluorocarbon resin or elastomers ] ; [ machine parts, namely, Bellows; Elastic bearings for machines as noise dampening and vibration insulation parts; machine and vehicle engine parts, namely, Pneumatic springs and spring legs with bellows of elastomeric material for supporting vibrating vehicle engine and machine parts; Elastic springs for damping noise, vibration and shock insulation as parts of machines; Multilayer springs for damping noise, vibration and shock insulation as parts of machines; Parts of motors other than for land vehicles, namely, parts for damping and vibroinsulation; Parts for motors and engines of land vehicles, namely, bearing pins; ] shaft seals of polytetrafluoroethylene, gum, or highly elastic and thermoplastic plastics, including combined with metal or other plastics, in particular lip seals for moveable parts of machines; machine parts in the nature of sealing rings, namely, radial shaft sealing rings, shaft sealing rings; non-metal machine parts, namely, cassette seals, combination seals, rotary seals, packings for static seals, valve stem seals, hydraulic brake seals, O-ring seals, Support seals, and Composite seals; fibrous non-metal gaskets for vehicles; non-metal machine parts, namely, Butterfly valve seals, Sealing plugs being metal-elastomer composite parts, [ Seals for shock-absorbers and gas springs, ] Valve spindle seals, [ Seals for hydraulic braking systems, Seals for hydraulic and pneumocylinders, ] Sealing rings; non-metal machine parts, namely, Flat seals, Profile seals, Axle seals; [ non-metal machine parts, namely, Hydraulic and pneumatic seals, in particular rod seals; non-metal machine parts, namely, Piston seals, Rod wiper seals, Buffer seals, and Wiper rings and guide rings for sealing against oil, grease or air in hydraulic and pneumatic cylinders; Non-metal sealing rings for use as machine parts, namely, Screw seal rings, in particular USIT rings; ] mechanical seals, namely, conduit connectors; non-metal machine parts, namely, Rotary pressure seals; machine parts, namely, [ accumulator and separator diaphragms, ] pump diaphragms [, regulating and switching diaphragms; non-metal machine parts, namely, Static cylinder cover seals ] ; Machine and engine parts for sealing rods and pistons, namely, V-packings [, namely, multiple lip packing seals designed to seal static reciprocating and centrifugal applications, where the male and female adapters are used to complete a set of vees ] ; Non-metal seals, namely, oil seals, [ fluid seals, insulating seals, reinforced seals, ] elastomeric seals, seals for pistons and rods [, namely, cups, rings, packings and gaskets, all the foregoing for sealing oil, grease or air in hydraulic and pneumatic applications ] ; machine parts, namely, Glide ring packings, seals, and sealing support rings for sealing oil, grease or air in hydraulic and pneumatic applications; [ Non-metal machine parts, namely, guide rings and bearing rings for protecting cylinder rods and pistons in hydraulic and pneumatic applications; ] machine parts, namely, finished products of vulcanised perfluoroelastomers, namely, seals and o-rings for use in hydraulics, pneumatics and mechanical engineering [ ; Metal seals for use in industrial machines and agricultural machines ]