6
Metal building materials; fixtures of metal for photovoltaic installations and systems, in particular for photovoltaic components; fittings of metal included in this class
9
Photovoltaic installations and systems and parts therefor included in this class, in particular photovoltaic components, solar cells, electrical apparatus, control systems and control elements, electric cables, wire, conductors and connecting accessories for the aforesaid goods, switches, switchboards and distribution boxes
11
Photovoltaic installations and systems and parts therefor, included in this class; solar collectors and assemblies thereof; elements of glass with solar cells incorporated as solar collectors; installations for heating water with the aid of the sun's rays (solar collectors), low-energy lighting, installations for conveying light to the inside of the building with the aid of a mirror tube (sun tunnels), headlamps for vehicles
19
Building materials (non-metallic), non-metallic fixtures for photovoltaic installations and systems, in particular for photovoltaic components; Building materials (non-metallic); components of special glass for building, in particular reflective glazing panels and aprons for exterior facades; anti-reflective glass panels for shop windows; fireproof and insulating glass panels for interior and exterior windows; drawn glass or cast architectural glass; transparent insulating elements of glass; plates of cast glass for architectural use; doors of glass for cold rooms and freezer rooms; elements of glass for shower cubicles; anti-reflective glass for technical and architectural applications; building materials (non-metallic); building glass; sheets, plates and panels of building glass; window glass; glazings; double and multiple glazing units; windows, window frames, not of metal; doors and door frames, not of metal; parts and accessories for the aforesaid goods, not included in other classes