1
Chemicals and additives for the prevention of incrustation and/or corrosion in service water installations, chemicals and additives for water treatment, in particular for water softening, full desalination, nitrate removal, deacidification, deferrisation, demanganisation, including in cartridge form
9
Electric and electronic monitoring, control and regulating apparatus and assemblies thereof or parts therefor, in particular for heating, ventilating, water supply and water treatment apparatus, for service water installations, for sterilisation, filtration and dosing apparatus for the measured dispensing of additives, in particular to prevent incrustation and/or corrosion in service water installations and sanitary installations; Dosage dispensers for the metered addition of additives, in particular for the prevention of incrustation and/or corrosion in service water installations, installations composed of the aforesaid apparatus and components for the aforesaid apparatus, dosage dispensers for the metered addition of additives, namely for the prevention of incrustation and/or corrosion in service water installations, installations composed of the aforesaid apparatus and components for the aforesaid apparatus (included in class 9)
11
Apparatus for heating, ventilating, water supply and sanitary purposes, in particular heating boilers, radiators, air-conditioning and ventilating apparatus and equipment, faucets and control fittings for water supply apparatus and water pipes, installations for filtering and/or treating water, mainly consisting of filtering apparatus and/or apparatus for inhibiting and/or decomposing lime and/or corrosion in water-conducting pipelines and service water installations; Filters for service water, apparatus for preventing and/or breaking down lime and/or corrosion, apparatus for water softening through ion exchange, apparatus for treating water, in particular apparatus for deacidification, deferrisation, demanganisation, and for removing turbid matter and environmental toxins from drinking water, disinfection apparatus, including being individual goods
37
Maintenance, repair and commissioning of water treatment installations
42
Planning and design of service water installations and water treatment installations; Services of companies involved in water treatment and/or purification and/or collection, namely technical planning, design, technical construction drafting and development of equipment and installations for water collection, water treatment and/or water purification, for others