6909190050
- Ceramic wares for laboratory, chemical or other technical uses; ceramic troughs, tubs and similar receptacles of a kind used in agriculture; ceramic pots, jars and similar articles of a kind used for the conveyance or packing of goods
- Ceramic wares for laboratory, chemical or other technical uses
- Other
- Ceramic articles made of continuous filaments of ceramic oxides, containing by weight: - 2 % or more of diboron trioxide, - 28 % or less of silicon dioxide and - 60 % or more of dialuminium trioxide