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Detailed structure and explanatory notes
ISIC Rev.3 code 2692Structure
This class includes manufacture of heat-insulating ceramic products made by shaping and subsequently firing siliceous fossil meals:
- refractory bricks, blocks, tiles and similar refractory ceramic building materials.
- ceramic products that can withstand the high temperatures encountered in metallurgical operations.
- refractory cements.
- retorts, crucibles, muffles, nozzles, tubes, pipes, etc.
Exclusion: Manufacture of ceramic articles other than refractory products is classified in class 2691 (Manufacture of non-structural non-refractory ceramic ware) and class 2693 (Manufacture of structural non-refractory clay and ceramic products).
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