EU Trademark Classification EU01 Chemicals 气雾剂用气体推进剂（3174） Class 01 Gas propellents for aerosols 3174 气雾剂用气体推进剂 Chinese 气雾剂用气体推进剂 English Gas propellents for aerosols Site ref. 3174 Class 01 Included in Harmonised Database (HDB)