6
Frames, racks, holders and other devices for fixing and/or mounting and/or adjusting photovoltaic modules and installations and other electrotechnical and energy-generating installations, all the aforesaid goods of metal; ironmongery, small items of metal hardware; Metal shapes
9
Photovoltaic modules and installations; installations for generating electrical energy (included in class 9); apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, and for the generation of electricity using solar energy; electric and electronic control equipment for use in energy generation and distribution
11
Solar panels; solar installation systems; apparatus for lighting, heating, steam generating, drying, ventilating and water supply, and heat pumps; solar collectors, solar heat collectors and solar installations for generating and accumulating electrical energy and thermal energy; solar and photovoltaic energy apparatus, transmitters and installations for heating and hot water
37
Construction of energy-generating installations; maintenance and repair of the aforesaid installations and customer services for the aforesaid installations
42
Engineering services; technical planning of energy-generating installations; scientific and industrial research in the field of energy-generating installations