Materials and articles; all for use in building and civil engineering construction; pipes, tubes and gutters and connectors, couplings and joints therefor; valves; prefabricated buildings; structures; cabinets and cubicles; electrofusion pipe fittings; materials for use in welding or for use in electrofusion; parts and fittings for all the aforesaid goods; all included in Class 6

Electrical and electronic components; cases, housings, boxes and conduits, all for electrical and/or electronic components or circuits; rectifier housings; conduits for electric and electronic applications or for use in or with evaporation plants, particle accelerators and/or ionisation chambers; conduits and bushings for condensors and transformers; substrates; connector and terminal mouldings; metallized insulator rings for waveguide tubes; insulator discs and sheets for printed circuits and potentiometers; ceramic materials included in class 9 for use as components of measuring, detecting and sensing apparatus and instruments; gas sensors; oxygen pressure and oxygen partial pressure measuring devices; welding and electrofusion apparatus and components, control apparatus therefor and plug and socket connections therefor; laboratory apparatus, instruments and furniture; bench covers, bench tops, sinks, all for use in laboratories and whether or not corrosion resistant; parts and fittings for all the aforesaid goods; all included in Class 9

Apparatus, instruments and installations for heating, cooling, ventilating, water supply and sanitary purposes; nuclear reactors; heat exchangers; ceramic components for use in chemical, electrical, gas, thermal and nuclear apparatus, instruments and installations; parts and fittings for all the aforesaid goods; all included in Class 11

Materials in the form of films, sheets (non-textile), blocks, rods, tubes, pipes, shaped sections and shaped parts, all made wholly or principally of non-metallic materials and all for use in manufacture; articles made wholly or principally from the aforesaid goods; gaskets; articles made wholly or principally of plastics and metal (the plastics predominating); parts and fittings for all the aforesaid goods; seals; packing, stopping and insulating materials; electric insulators; thermoplastic extruded profiles for use in lining tanks and pipes; all included in class 17

Hand tools; hand instruments; manually operated clamps in the nature of hand tools; tools for cutting tools for and tapping, all for hand tools; manually operated apparatus and instruments for mounting welding apparatus; parts and fittings for all the aforesaid goods; all included in Class 8

Materials and articles, all for use in building and civil engineering construction; building elements; frameworks for buildings and walls; pipes, tubes and gutters and connectors, couplings and joints therefor; prefabricated walling; prefabricated buildings; ceramic materials; parts and fittings for all the aforesaid goods; all included in Class 19

Industrial machines; machines for use in industry; drilling machines; machine tools; tools for machines; machining tools and adjusting tools; engines; compressors, pumps; cutters; textile machines; machines and apparatus for the chemical industry; petrol pumps for engines; grinding apparatus instruments and machines; rollers of wear-resistant and metal-free ceramic material; welding and electrofusion apparatus and components; parts and fittings for all the aforesaid goods; all included in Class 7

Articles made wholly or principally of non-metallic materials; fixing devices of plastic; flanges, ties, clips, clamps, fasteners and securing devices; non-metallic valves; parts and fittings for all the aforesaid goods; all included in Class 20

Surgical, medical, dental and veterinary apparatus and instruments; endoprostheses; artificial limbs, eyes and teeth; orthopaedic apparatus and instruments, tubes, implants and valves, all being for medical, surgical or veterinary use; parts and fittings for all the aforesaid goods; artificial skin (skin replacing membranes)

Materials for use in the manufacture of ceramic goods; plastics; artificial resins; ceramic materials and products for use in their preparation, all included in Class 1