1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes, excluding drainage systems or water treatment systems of all kinds and excluding parts of the aforementioned systems, in particular excluding gutters, gully holes and shafts, covers thereof and parts of the aforesaid goods; plastics in extruded form for use in manufacture, excluding plastics for the manufacture of drainage systems or water treatment systems of all kinds or of parts of the aforementioned systems, in particular of gutters, gully holes and shafts, covers thereof and parts of the aforesaid goods; packing, stopping and insulating materials, excluding packing, stopping and insulating materials for drainage systems or water treatment systems of all kinds or for parts thereof, in particular for gutters, gully holes and shafts, covers thereof and parts of the aforesaid goods; flexible pipes, not of metal, excluding flexible pipes for drainage systems or water treatment systems of all kinds
19
Building materials (non-metallic), excluding building materials for drainage systems or water treatment systems of all kinds or for parts thereof, in particular for gutters, gully holes and shafts, covers thereof and parts of the aforesaid goods; non-metallic rigid pipes for building, excluding pipes for drainage systems or water treatment systems of all kinds; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal