6
Common metals and their alloys, including corrosion-resistant copper-based alloys and alloys resistant to stress corrosion; Metal building materials; Transportable buildings of metal; Non-electric cables and wires of metal and metal alloys; Small items of metal hardware; Pipes and tubes of metal; Goods of common metal not included in other classes, namely valves (not parts of machines), junctions for pipes, parts and fittings for the aforesaid valves and pipe junctions
7
Valve stems; Electric, electric motor-driven, electrothermal and electromechancial valve drives
9
Weighing, measuring and signalling apparatus and instruments; Automation, control and checking (supervision) apparatus, systems and instruments, including the aforesaid goods being computer-controlled, and programming apparatus (timers) and systems, circuit boards and computer software (recorded); All the aforesaid goods for heating, cooling, ventilating, water supply, temperature control, lighting, power supply, air conditioning and security in buildings; Room thermostats, temperature sensors with elastic, fluid or steam filling or bimetallic elements; Electronic regulators and time controls for valve drives; Diaphragms and capillary tubes for control systems; Transformers, rheostats, fire-extinguishing apparatus; Apparatus for temperature control and power supply in buildings; Parts and fittings for the aforesaid goods, except humidity measuring apparatus and instruments
11
Apparatus for lighting, heating, refrigerating, steam generating, cooking, ventilating, water supply and distribution, air-conditioning and sanitary purposes in buildings; Control valves included in this class; Fittings, one-way and multiway valves, tension regulator valves, pressure regulator valves, volume regulator valves, thermostat-controlled metal valves, thermostat superstructures for valves; Locking and multipath taps, water pipe apparatus and installations, apparatus and installations for degassing water; Gas and air separators and venting devices, parts and fittings for the aforesaid goods
17
Gaskets; Corking seals; Nipples, sleeves of plastic, fittings, flanges, pipe stoppers, pipe seals, fastening clips for pipes, junctions, not of metal, for pipes, flexible conduits and pipes, not of metal, hand-wheels, clamping screw couplings
37
Building construction, repair, installation, all the aforesaid services relating to HVS, namely heating, refrigerating, ventilating, water supply and temperature control
41
Education, providing of training, all the aforesaid services relating to water, heat and sanitation, namely heating, refrigerating, ventilating, water supply and temperature control
42
Scientific and industrial research, computer programming, design and updating of computer software, all the aforesaid services relating to plumbing, namely heating, refrigeration, ventilation, water supply and temperature control