6, 7, 20, 37,
(Metal goods) Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; iron mongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.Class 7:
(Machinery) Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.Class 20:
(Furniture and articles not otherwise classified) Furniture, mirrors, picture frames; goods (not included in other classes) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics.Class 33:
(Wine and spirits) Alcoholic beverages (except beers).Class 37:
(Building construction and repair) Building construction; repair; installation services.Class 40:
(Treatment of materials) Treatment of materials.