6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal, not included in other classes, namely valves of metal (other than parts of machines), ducts of metal for ventilating and air conditioning installations, storage, transport and packaging containers of metal, linings of metal (building), fittings of metal for buildings, crampons of metal and wainscotting of metal
7
Machines, namely drilling machines, propulsion mechanisms (other than for land vehicles), driving motors and engines (other than for land vehicles), generators of electricity, hydraulic engines and motors, industrial robots, robots (machines), compressors, air condensers, air decondensers, apparatus for processing machines, electric motors for heat pumps, heat exchangers and ventilating installations, pumps (parts of machines, motors and engines), pumps for heating and cooling installations, pneumatic and hydraulic controls for machines, motors and engines, regulators (parts of machines), vacuum pumps, valves (parts of machines), heat exchangers (parts of machines), steam condensers (parts of machines), draining valves, mine borers, drilling rigs, filters (parts of machines, motors and engines), gasifiers
9
Scientific, electric, optical, weighing, measuring, signalling monitoring and checking (supervision) apparatus and instruments, central control units for heat pumps, heat exchangers, ventilation units and remote central heating units; magnetic data carriers, data processing equipment and computers for heat pumps and central control units for heat pumps, heat exchangers, ventilation units and remote central heating units; fire-extinguishing apparatus
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, heat pumps, heat exchangers (not parts of machines), heat accumulators, radiators (heating), heat regenerators, hot plates, heating installations, ventilation units and remote central heating units
37
Building construction; repair; and installation services for heat pumps, heat exchangers, heating, cooling and ventilating installations and equipment therefor; drilling holes and construction of installations, including the dragging of pipes for liquids, including heat exchanging media
42
Scientific and industrial research; computer programming, all the aforesaid services for and in connection with the regulating and control of heat pumps and central control units for heat pumps, ventilation units and remote central heating units