6
Sound-insulating doors of metal; Windows of metal, Sound-absorbent wall and ceiling cladding tiles, panels and coffers, all goods of metal; Pre-fabricated partition and screening walls of metal; Soundproofed transportable buildings of metal being quiet rooms and observation rooms; Luminous ceilings, grid ceilings and ceiling parts therefor of metal; All the aforesaid goods being in the context of providing a construction assembly
11
Parts for ventilation and exhaust installations (air conditioning), namely noise suppressors
17
Sound-insulating cladding; Soundproofing and sound-insulating acoustic cladding of mineral fibres, textiles and/or plastics for walls, ceilings, supports and beams in structural engineering; Fireproof cladding (insulation) of mineral fibres, textiles and/or plastics for walls, ceilings, supports and beams in structural engineering
19
Sound-insulating doors of wood; Sound-insulating windows of wood or plastic, Building boards, Not of metal, Namely sound-absorbent wall and ceiling cladding tiles, panels and coffers, all goods being of wood or plastic; Pre-fabricated partition and screening walls of wood or plastic; Soundproofed transportable buildings, Not of metal, Being quiet rooms and observation rooms; Luminous ceilings, grid ceilings and ceiling parts therefor of wood and/or plastic; Glass panels for internal and external walls; Components of air conditioning outlet elements for walls, floors and ceilings being building materials, Not of metal; All the aforesaid goods being in the context of providing a construction assembly
20
Custom-made furniture of wood, privacy screens and sun screens for interiors, namely blinds, roller blinds of wood or bamboo and slatted blinds; Window decorations in the form of wood and bamboo curtains or slatted indoor blinds; All the aforesaid goods being in the context of providing a construction assembly
37
Building construction (interior construction), namely cladding of ceilings in order to improve acoustics, Construction of partitions, Interior plastering, laying of raised floors of wood and metal; Construction work relating to facades; Installation of heat and cold insulation materials in boilers, pipelines, apparatus, containers, tank wagons, tanks, electric filters, turbines and in masonry; Building construction and repair, namely insulation work, installation of components for structural engineering and installation construction, in particular for heat, cold, sound and fireproofing insulation
42
Technical consultancy relating to room acoustics; Technical design and technical planning of interior construction; Technical calculation of room ventilation, air conditioning, lighting and acoustics and of soundproofing and fireproofing measures; Technical development of technical materials in the field of heat insulation technology; Technical construction coordination and building supervision