6 Manually operated valves (not parts of machines) made of common metal, and parts thereof included in class 6.
7 Valves, pressure regulators, feedwater regulators and taps, all being parts of machines; steam traps, steam dryers and soot blowers, all being machines; parts included in class 7 of all the aforesaid goods.
9 Valves (not being parts of machines) operated by electric current control, by solenoid, by temperature or by other changes in physical conditions; pressure gauges and gauge syphons for steam, water or for air; water gauges, thermometers; electrical control apparatus for valves; digital read-out positional indicators for use in conjunction with machine tools; electronic data collection and retrieval apparatus utilizing punched (encoded) cards, magnetic tapes or utilizing the like information - carrying media; parts included in class 9 of all the aforesaid goods.
11 Regulating and safety apparatus for water and gas apparatus and pipes; taps being parts of water supply installations; parts included in class 11 of all the aforesaid goods.
37 Construction, maintenance and repair of machines, parts of machines, valves, pressure regulators, safety apparatus, water supply installations, measuring and control apparatus and electronic apparatus.