EU Trademark Classification EU09 Scientific and electronic apparatus 压电振动陀螺仪（23583） Class 09 Piezoelectric vibratory gyroscopes 23583 压电振动陀螺仪 Chinese 压电振动陀螺仪 English Piezoelectric vibratory gyroscopes Site ref. 23583 Class 09 Included in Harmonised Database (HDB)