Precious metals and their alloys and goods made of or coated with these materials not included in other classes; jewellery, precious stones; timepieces and chronometric instruments

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

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