6
District heating pipes, mainly of metal; District heating pipes of precious metals and semi-precious metals; Junctions of metal for pipes; Flexible district heating pipes of metal, District heating pipes of aluminium; District heating pipes, Steel district heating pipes, Water-pipes of metal; Pipes, Composite pipes of metal; Thermally insulating prefabricated components for roof and wall constructions in industrial, hall and residential construction, manufactured using sandwich technology, mainly made of metal sheet and containing rigid plastic foam; Water-pipes of metal; Heat insulated metal pipes (pipelines) for the transport of liquids and gases, in particular for the transport of oil or natural gases; Insulated pipework of metal; Pipes of precious metals and semi-precious metals, in particular insulated pipes of copper; Pipes and tubes of metal, junctions of metal for pipelines, in particular for district heating pipelines, metal foils, plastic jacket pipes; District cooling pipes made of metal; Multilayer aluminium composite tubing; District heating pipes made of precious metal, district heating pipes made of copper
9
Measuring, signalling, checking (supervision) apparatus and instruments; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Data processing apparatus; Leakage monitoring devices for pipework, pipelines and district heating pipes; Insulated electrical cables; Wires for leakage measurement; Protection and inspection devices for leakage monitoring; Software for evaluation, quality assurance, documentation, calculation and storage of data
11
Heating apparatus and heating installations, In particular district heating installations; Sanitary installations, Conduits for the delivery of water and Water conduits installations; Solar thermal collectors [heating] and For heating water
17
Packing and insulating materials for district heating pipes; Plastic conduits; Flexible, thermally insulated plastic pipes for the transport of fluids, in particular For transporting cold water; Junctions, not of metal, for pipes; Thermally insulated plastic pipes for the transport of fluids; Packing and insulating materials for pipes; non-metallic pipe connections; Pipe connectors of plastic, in particular sleeves; Plastic films, adhesive tapes of plastic, casing devices for pipe connectors, sealing and insulating material, all goods in particular for district heating pipelines; Flexible thermally isolated multilayer composite tubing for the transport of fluids, in particular for the transport of cold water
19
Non-metallic pipes, For district heating and district cooling purposes; Non-metallic pipes, in particular Multilayer composite pipes for the transport of fluids; Water-pipes, not of metal