… of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined. …
Explanatory notes
… of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined (+). … substances which have no dyeing properties (e.g., anhydrous sodium sulphate, sodium chloride, dextrin, starch) to … OF A KIND USED AS FLUORESCENT BRIGHTENING AGENTS OR AS LUMINOPHORES, WHETHER OR NOT CHEMICALLY DEFINED (1) …