11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; shape refractory fittings for furnaces and the like high-temperature-utilising apparatus; insulating components for lighting, heating, steam generating, cooking, refrigerating, drying, and ventilating apparatus; pre-cut shapes of fibrous materials being insulating parts for lighting, heating, steam generating, cooking, refrigerating, drying and ventilating apparatus
17
Rubber, gutta percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal; fibrous insulating materials; thermal insulating materials; refractory materials; fibrous insulation in the form of fibres, bolts, batts, yarns, ropes, strips, tapes, cloths, blankets, felts, paper and board; fibrous gaskets
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; refractory products, castable refractories, ramming mixes, cement, mortar, clay, building materials; refractory articles and refractory materials for use in furnaces and the like high-temperature utilising apparatus and for use in building construction