EU Trademark Classification EU07 Machinery Tumbler gears, other than for land vehicles Class 07 Tumbler gears, other than for land vehicles 18231 换向齿轮（陆地车辆用除外） Chinese 换向齿轮（陆地车辆用除外） English Tumbler gears, other than for land vehicles Site ref. 18231 Class 07 Included in Harmonised Database (HDB)