6
Metal building materials, in particular profiles, pipes, panels, sheets and films for windows, doors, gates, balconies, facades and frames; Windows, doors, gates, partitions, wall linings of metal for facades, windows, doors and gates; Balconies and Conservatories, frames for use in construction, Window sills, Rain deflection profiles; Mechanical closing and opening devices for windows, doors and gates; All the aforesaid goods of metal, including combined with glass, wood or plastic, included in class 6
9
Electric sensors for ventilation installations
11
Ventilation installations (air-conditioning), Heat exchangers, not parts of machines, Air conditioning installations, Air filtering installations, Filters for air conditioning
19
Building materials (non-metallic), in particular profiles, pipes, plates and films for windows, doors and gates, balconies and frames; Windows, Doors, Gates, Wall partitions, Balconies and Conservatories, Frames for building, Coverings for buildings, windowsills, Rain deflection profiles; Wall linings, not of metal, for facades, windows, doors and gates; Ducts, not of metal, for ventilating and air-conditioning installations; Insulating glass [building], All the aforesaid goods, not of metal, or solely in combination with metal, All the aforesaid goods included in class 19