17
Plastics in extruded form for use in manufacture; Plastic fibers [fibres], not for textile use; latex rubber; Gum, raw or semi-worked; Rubber, Gutta-percha, Rubber, Foam, Resins (artificial resins and synthetic resins); Goods of foam (semi-finished products); Plastic substances, semi-processed; In particular the aforesaid goods for lightweight and sandwich construction; Lightweight construction materials, namely fibre-reinforced composites, carbon, rigid insulating foam, polyurethane flexible foam, polyurethane rigid insulating foam; Packing, stopping and insulating materials for lightweight and sandwich construction, included in this class
19
Building and construction materials and elements, not of metal; Logs [building material]; Wood for building; Wood for building; Balsa wood, in particular for lightweight and sandwich construction
20
Goods (not included in other classes) of wood, cork, reed, cane, wicker and substitutes for all these materials, or of plastics, in the form of components for lightweight construction products and sandwich components, in particular in the form of a support core for boatbuilding, automotive construction, railway wagons, surf boards, aircraft construction, building construction and for rotor blades in wind energy installations
40
Treatment of materials in relation to PE foams, foams, cork, paper goods and balsa wood, enabling the aforesaid goods to be used in lightweight construction products and as parts for sandwich components, in particular for boatbuilding, automotive construction, railway wagons, surf boards, building construction and for manufacturing rotor blades in wind energy installations