EU Trademark Classification EU09 Scientific and electronic apparatus 电气市电电源单元（22905） Class 09 电气市电电源单元 22905 Chinese 电气市电电源单元 English Mains power units (Electric -) Site ref. 22905 Class 09 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)