37 Services of repair, maintenance and installation of machines for transportation and conveying, machines used for the production or the treatment of paper, cardboard, corrugated board, [ woven fabrics, textile goods, yarns, threads and plastics, machine tools, machines for cleaning, packaging machines, printing machines, printing presses, labelling machines, sewing machines ] as well as mechanical transport and conveyor belts including their parts, in particular bands, flexible hoses, belts, cloths, fabrics, plaits and coverings as parts of machines; assembly, disassembly and reassembly of machine parts in the scope of repair, maintenance and installation of machines for transportation and conveying, machines used for the production or the treatment of paper, cardboard, corrugated board, woven fabrics, textile goods, yarns, threads and plastics, machine tools, machines for cleaning, packaging machines, printing machines, printing presses, labelling machines, sewing machines as well as mechanical transport and conveyor belts including their parts, in particular assembly, disassembly and reassembly of bands, flexible hoses, belts, cloths, fabrics, plaits and coverings as parts of machines; rendering of instruction information for the assembly, disassembly and reassembly of machine parts in the scope of repair, maintenance and installation of machines for transportation and conveying, machines used for the production or the treatment of paper, cardboard, corrugated board, woven fabrics, textile goods, yarns, threads and plastics, machine tools, machines for cleaning, packaging machines, printing machines, printing presses, labelling machines, sewing machines as well as mechanical transport and conveyor belts including their parts, in particular assembly, disassembly and reassembly of bands, flexible hoses, belts, cloths, fabrics, plaits and coverings as parts of machines [ ; cleaning of machines as well as of bands, flexible hoses, belts, cloths, fabrics, plaits and coverings as parts of machines ]