Enzyme preparations for industrial purposes; radioactive elements for scientific purposes; moistening being wetting preparations for use in dyeing; reagent paper, other than for medical or veterinary purposes; cryogenic preparations in solid, liquid, or gas state for use in chilling and freezing; biochemical catalysts; chemical agents for manufacturing dyestuffs; dyeing auxiliaries, namely, chemical preparations for use in the manufacturing of dyestuffs for brightening and improving color int...