EU Trademark Classification EU09 Scientific and electronic apparatus 电气市电变压器（22913） Class 09 Mains transformers (Electric -) 22913 电气市电变压器 Chinese 电气市电变压器 English Mains transformers (Electric -) Site ref. 22913 Class 09 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)