Parts of machines made from ceramics, which contain at least Al2O3 for use in the chemical industry, metal industry, transport industry, processing machines, particularly for electro-ceramics, electronic industry and all other goods in class 7

Packing, stopping and insulating material, namely insulators for the production of highly alumina-containing high-tension insulators and ignition plugs and all other goods in class 17

Cleaning, polishing and abrasive preparations for the production of polishing pastes and polishing bars, for the polishing of stone, glass and metal surfaces, for the production of fused alumina used in the abrasive industry or the refractory industry and all other goods in class 3

Chemicals for the production of aluminium chloride, alumina- containing material for the production of unformed and formed products in the alumina-containing range for use in the iron production, steel production or glass production and production of non ferrous metals, wear resistant ceramics for the production of grinding balls which contain at least 80% Al2O3, metal casings and wear protection of all kinds, alumina and all other goods in class 1

Glassware, porcelain and earthenware all being goods in class 21 and all other goods in class 21

Refractory building materials for the use in furnace construction for the concrete, lime and garbage incineration industries and all other goods in class 19

Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth made from bioceramics and all other goods in class 10