EU Trademark Classification EU01 Chemicals Substances (Chemical -) for preserving foodstuffs Class 01 Substances (Chemical -) for preserving foodstuffs 4946 食品保存用化学物质 Chinese 食品保存用化学物质 English Substances (Chemical -) for preserving foodstuffs Site ref. 4946 Class 01 Included in Harmonised Database (HDB)