EU Trademark Classification EU09 Scientific and electronic apparatus 电气市电监测设备（22901） Class 09 电气市电监测设备 22901 Chinese 电气市电监测设备 English Mains monitoring apparatus (Electric -) Site ref. 22901 Class 09 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)