EU Trademark Classification EU09 Scientific and electronic apparatus 易燃气体检测用报警器（19720） Class 09 易燃气体检测用报警器 19720 Chinese 易燃气体检测用报警器 English Alarms for the detection of inflammable gases Site ref. 19720 Class 09 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)