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Product
690220: Refractory bricks, blocks, tiles & similar refractory ceramic constructional goods..containing by weight..>50% of alumina (Al2O3)/of silica (SiO2)/of a mixture/compound of these products
Treaty
COMESA
Select the rule that applies to your product:

Goods are considered originating if they have been produced in the member States wholly or partially from materials imported from outside the member States or of undetermined origin provided that: