6
Protective barriers for conveyor installations, fire protection barriers and smoke protection barriers; fire protection gates and doors, and fireproof doors and insulating fire protection doors, mainly of metal; barriers for protection against liquids; fire water barriers; transportable buildings, mainly of metal; roller blinds, mainly of metal
37
Construction, repair, installation, all the aforesaid services in connection with fire and smoke protection devices
42
Scientific and technological services and research and design relating thereto; architectural consultancy; consultancy relating to the conservation of energy; engineering, construction drafting
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