17 Nonmetal interior coupling linings, namely, flexible tubing for use with hydraulic, pneumatic, and pressure liquid hoses for land and water vehicles; urethane rubber, gutta-percha, gum raw or partly processed, asbestos, mica; non-metal seals for pipe connections, non-metal seals for rollers, casters and drive pulleys of cable-cars, non-metal seals for windows, building facades, doors, and for building profiles and for packaging boxes, all for use in the packaging industry, for the building, the transport, the heating and the sanitary industry; anti-rust sealants and fillers for expansion joints; Semi-worked synthetic plastic substances as semi-finished products in form of foils, films, and sheets; rubber bands for commercial and industrial uses, plastic and rubber flexible pipes, tubes, and hoses for chemical industry, the building industry, the food industry, the vehicle industry and the recycling industry and fittings, namely, check valves, and fittings for rigid pipes, all of the aforesaid of rubber, gutta-percha or gum; Packing, stopping and insulating materials made of rubber or plastic; Hoses, not of metal, namely, rubber hydraulic hoses, high pressure hydraulic hoses and rubber industrial hoses for chemical industry, the building industry, the food industry, the vehicle industry and the recycling industry; casings of rubber for industrial rubber tubes for insulating purposes; non-metal flexible tubing for insulation purposes; Flexible hoses of plastic or of rubber; Connecting hoses for vehicle radiators