EU Trademark Classification EU01 Chemicals Chemical substances for use in dissolving toxic gases Class 01 Chemical substances for use in dissolving toxic gases 2128 用于溶解有毒气体的化学物质 Chinese 用于溶解有毒气体的化学物质 English Chemical substances for use in dissolving toxic gases Site ref. 2128 Class 01 Included in Harmonised Database (HDB)