1 Biochemical catalysts; chemical preparations for scientific purposes, other than for medical or veterinary use; chemical reagents, other than for medical or veterinary purposes; chemical substances for analyses in laboratories, other than for medical or veterinary purposes; chemical preparations for analyses in laboratories, other than for medical or veterinary purposes; cryogenic preparations; diagnostic preparations, other than for medical or veterinary purposes; test paper, chemical; biological preparations, other than for medical or veterinary purposes; biological tissue cultures other than for medical or veterinary purposes