Explanatory notes
… (even with chemical substances eliminating the impurities without changing the structure of the product), crushed, … mechanical or physical processes (except crystallisation), but not products which have been roasted, calcined, obtained …Legal note
… (even with chemical substances eliminating the impurities without changing the structure of the product), crushed, … mechanical or physical processes (except crystallisation), but not products which have been roasted, calcined, obtained …