17 Rubber, gum and semi-finished products of rubber, gum or plastics; goods of rubber, gutta-percha, gum or plastics, namely hoses (as included in class 17), including multi-layered hoses, conduits and components for connecting for supplying media (in particular fuel, air, coolants, oil, brake fluid, vacuum) of rubber, gum, plastics or mainly of rubber, gum, plastic with metal, of composites rubber/gum, rubber/plastics, gum/plastics, rubber/gum/plastics or mainly of these composites with metal; sealing components and pipe and hose shaped parts for connecting and sealing purposes of rubber, gum, plastics or mainly of rubber, gum, plastic with metal and of composites rubber/gum, rubber/plastics, gum/plastics, rubber/gum/plastics or mainly of these composites with metal