EU Trademark Classification EU37 Construction and repair 石油钻探和抽取（61126） Class 37 Drilling and pumping of oil 61126 石油钻探和抽取 Chinese 石油钻探和抽取 English Drilling and pumping of oil Site ref. 61126 Class 37 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)