6
Drainage channels; backwater valves, in particular for pipework for waste water containing or not containing faecal matter; all types of pipes, in particular with openings for cleaning and backwater valves, drain pipes, protective pipes for cables; pipe connections, pipe bends, pipe muffs, pipe fittings; gratings; waste water collection basins; bath, floor, roof and cellar runoffs, service water, rainwater and sewer outflows (gullies) with and without anti-odour and/or backwater valves; all types of shaft, in particular seepage pits; ventilation shafts and parts therefor, shafts for installation in the ground, including walk-in, cable, inspection, service and sampling shafts; storage tanks, in particular for water, chemicals and other liquids; liquid containers, in particular separators for grease, starch and/or light density liquids; all goods completely or partly of metal and included in class 6; all the aforesaid goods not for boilers or being parts of boilers
7
Lifting and conveyor installations for waste water, service water and rainwater, mainly consisting of a container with negative or excess pressure conveying equipment, all the aforesaid goods being preferably of plastic or metal; pumps; installations for using rainwater, mainly consisting of containers, preferably of plastic, mechanical water pumps, water filtering apparatus and electric and/or electronic control devices; water indicators; all the aforesaid goods not for boilers or being parts of boilers
11
Waste water purification apparatus
19
Drainage channels; backwater valves, in particular for pipework for waste water containing or not containing faecal matter; all types of pipes, in particular with openings for cleaning and backwater valves, drain pipes, protective pipes for cables; pipe connections, pipe bends, pipe muffs, pipe fittings; gratings; waste water collection basins; bath, floor, roof and cellar runoffs, service water, rainwater and sewer outflows (gullies) with and without anti-odour and/or backwater valves; all types of shaft, in particular seepage pits; ventilation shafts and parts therefor, shafts for installation in the ground, including walk-in, cable, inspection, service and sampling shafts; storage tanks, in particular for water, chemicals and other liquids; liquid containers, in particular separators for grease, starch and/or light density liquids; all the aforesaid goods completely or partly of plastic and/or of concrete and included in class 19; all the aforesaid goods not for boilers or being parts of boilers