11
Ventilation apparatus, fans, air-conditioning apparatus and installations; air-conditioning apparatus and installations; air deodorizing and purification apparatus and machines; air filtering installations; of water or of oil; ceiling lights; fans (parts of air-conditioning installations); air ducts, water conduits installations
17
Rubber, raw or semi-worked rubber, vulcanite, synthetic rubber; semi-finished plastic products; semi-finished synthetic resins; synthetic resins (semi finished products); packing, stopping and insulating materials; soundproofing materials; insulators; bark coverings for sound insulation; flexible pipes, not of metal; rubber shock absorbers and buffers; water-tight rings and weatherstripping; insulators; insulating materials; insulating tapes; insulating paper; insulating tapes; insulating coatings; insulating varnish; insulating oils; metal foil for insulation; insulating paint; insulating fabrics; insulating felt; glass fibres and fibreglass fabrics for insulation; joint seals
37
Building construction, repair, installation and insulation services; construction, installation, repair, upkeep and maintenance of apparatus for ventilation, air-conditioning and padding of sound insulation and soundproofing structures and installations; scaffolding; sound insulation for the external surfaces of buildings; damp proofing; insulating services; sound insulating services; soundproofing; information relating to insulation, sound insulation and soundproofing; information relating to the construction, repair and installation of insulation; information relating to the installation, repair, upkeep and maintenance of apparatus for the ventilation, air-conditioning and padding of sound insulation and soundproofing projects and installations; installation of coverings for sound installation and soundproofing
40
Material processing, air purification; air deodorising; production of energy; custom assembling of materials; material treatment information; treatment, casting, plating, tempering of metals
42
Analysis and research into industrial acoustics, research consultancy; design, development, installation, maintenance and rental of computer software relating to industrial acoustics; consultancy and surveying relating to construction and industrial acoustics; drafting plans for construction, sound insulation and soundproofing; material testing