7
Hydraulic cylinders being parts of machines, and parts therefor, included in class 7; Hydraulic drives, actuators and controllers (machines); Electrohydraulic driving motors, Except for land vehicles; Parts of machines, namely pressure valves, bearing housings, machine guides, sliding wedges, multiple holders, drill buttons, jig-saw blades, pulleys, valve closure mechanisms, ball screw drives, hinge joints, bearings, metal cutting tools, cylinders, precision rotary tools, hammers, shock-absorbing cylinders; Parts of machines, namely blades, springs, oil filters, sealing joints, housing rings, valves, pressure regulators, air filters, workpiece consoles, connectors, rollers, cranks, pulleys, hydraulic amplifiers
17
Carbon fibers [fibres], other than for textile use; Synthetic and composite materials, namely carbon fibre-reinforced plastic; Bonded fibre materials, Not of metal; Fibre composite materials, not of metal, for cohesive connection to other materials, namely of metal and not of metal
40
Treatment of materials, namely cohesive connection of materials of metal and not of metal; Treatment of materials, namely casting, shaping, separating, joining and coating of materials of metal and not of metal; Treatment of materials, namely solidification of metals and materials not of metal through shaping, heat treatment, thermomechanical treatment, sintering, burning, magnetising, irradiation, application of photomechanical methods; Treatment of materials, namely treatment of materials through machining of metals and materials not of metal using machine tools; Treatment of materials, namely mechanical and thermal treatment of metals, plastics and goods of metal and plastic; Treatment of materials, namely surface treatment and plating of metals and plastics