EU Trademark Classification EU07 Machinery Gas turbine engines for sea vehicles Class 07 Gas turbine engines for sea vehicles 15521 海上交通工具用燃气涡轮发动机 Chinese 海上交通工具用燃气涡轮发动机 English Gas turbine engines for sea vehicles Site ref. 15521 Class 07 Included in Harmonised Database (HDB)