6
Transportable buildings of metal, materials of metal for railway tracks, non-electric cables and wires, ironmongery, small items of metal hardware; pipes and tubes of metal, safes, goods of metal (included in class 06), in particular common metals and their alloys; metal building materials; overflow and drainage pipes of metal, bodyless stop valves (except machine parts) of metal, tilt check valves of metal, including hydraulically driven, flat check valves of metal, houshold gas connection valves of metal, with or without electric disconnector sockets, ventilation and air-vent valves of metal; gas, water and waste water fittings, in particular stop valves, shut-off valves, return valves, control valves and equilibrium float valves, ventilation valves, pressure maintaining valves (all the aforesaid goods of metal); suction baskets of metal with and without valves (foot valves), overflow pipes of metal; overflow nozzles, sludge and ventilation boxes, fabric expansion and extension sockets, valve brackets, pipe connectors and expansion pieces, single plate valves, pipeline valves, all of the aforesaid goods of metal, including all the aforesaid goods being parts for oil and petrol installations and installations for the chemical industry; valve boxes, manhole covers of metal, signboards of metal (except illuminated signboards and/or mechanical signboards), namely for fire protection, for gas pipelines and waste water pipes; ores
20
Goods (included in class 20) of plastic, including reinforced plastic, in particular bodyless shut-off valves, non-return valves, including with hydraulic by-pass, flat check valves, house gas connection valves, with and without electric disconnector sockets, ventilating and bleed valves; gas, water and waste water fittings, in particular stop valves, shut-off valves, return valves, control valves and equilibrium float valves, ventilation valves, pressure maintaining valves (all the aforesaid goods of plastic); suction baskets of plastic with and without valves (foot valves), pipeline valves of plastic, including all the aforesaid goods being parts for oil and petrol installations and installations for the chemical industry