EU Trademark Classification EU07 Machinery 作为机器零件的液力偶合器（15412） Class 07 Fluid couplings being parts of machines 15412 作为机器零件的液力偶合器 Chinese 作为机器零件的液力偶合器 English Fluid couplings being parts of machines Site ref. 15412 Class 07 Included in Harmonised Database (HDB), TM5 ID List