EU Trademark Classification EU10 Medical apparatus Mechanical valves for implantation in human hearts Class 10 Mechanical valves for implantation in human hearts 27041 植入人体心脏用机械瓣膜 Chinese 植入人体心脏用机械瓣膜 English Mechanical valves for implantation in human hearts Site ref. 27041 Class 10 Included in Harmonised Database (HDB)