17
Semi-processed plastics; Rubber, raw or semi-worked; Mica, raw or partly processed; Gum, raw or semi-worked; Unprocessed and semi-processed gutta-percha; Unprocessed and semi-processed asbestos; Substitutes for unprocessed and semi-processed rubber; Substitutes for unprocessed and semi-processed gutta-percha; Substitutes for unprocessed and semi-processed gum; Substitutes for unprocessed and semi-processed asbestos; Substitutes for unprocessed and semi-processed mica; Plastics in extruded form for use in manufacture; Packing material; Stopping materials; Insulating materials; Flexible pipes, not of metal; Door stops of rubber; Sealing rings; Rubber stoppers; Stops of rubber; Packing [cushioning, stuffing] materials of rubber or plastics; Plastic film, not for wrapping; Clutch linings; Waterproof packings; Insulating materials; Cylinder jointings; Rubber; Sleeves of rubber for protecting parts of machines; Pipe jackets, not of metal; Injection moulding plastics; Plastic film, not for wrapping; Non-metallic couplings for pipes
19
Building materials (non-metallic); Non-metallic rigid pipes for building; Non-metallic transportable buildings; Monuments, not of metal; Window and door frames not of metal; Materials, not of metal, for construction; Non-metallic building materials; Non-metal windows; Moldings, not of metal, for building; Latticework, not of metal; Roller blind caps of plastic
42
Industrial analysis services; Industrial research; Quality control and authentication services; Conducting technical project studies; Engineering drawing; Advisory services relating to industrial design; Computer-aided engineering design and drawing services; Technical expertise in the field of industrial machines; Providing of technical information relating to industrial machines; Engineering services; Research and development services; Research and development of new products for third parties in the field of plastic materials; Research in the field of industrial machine engineering; Research relating to mechanical engineering; Mechanical research; Research in engine construction; Technological research; Technical writing