003 — Class 3 includes mainly items designed for cleaning, deodorizing, and other sanitary products made primarily for use on or for humans.

006 — Class 6 includes mainly unwrought and partly wrought common metals as well as simple products made of them.

014 — Class 14 includes mainly precious metals, goods in precious metals not included in other classes and, in general jewellery, clocks and watches.

016 — Class 16 includes mainly paper, goods made from that material and office requisites.

017 — Class 17 includes mainly electrical, thermal and acoustic insulating materials and plastics, being for use in manufacture in the form of sheets, blocks and rods.

019 — Class 19 includes mainly non-metallic building materials, wooden beams, planks and panels, building glass, etc..

020 — Class 20 includes mainly furniture and its parts and plastic goods, not included in other classes.

021 — Class 21 includes mainly small, hand-operated utensils and apparatus for household and kitchen use as well as toilet utensils, glassware and articles in porcelain.

022 — Class 22 includes mainly rope and sail manufacture products, padding and stuffing materials and raw fibrous textile materials.

024 — Class 24 includes mainly textiles (piece goods) and textile covers for household use.

026 — Class 26 includes mainly dressmakers' articles.

027 — Class 27 includes mainly products intended to be added as furnishings to previously constructed floors and walls.

028 —