EU Trademark Classification EU06 Metal goods 金属蝶形螺钉（紧固件）（13533） Class 06 金属蝶形螺钉（紧固件） 13533 Chinese 金属蝶形螺钉（紧固件） English Thumbscrews [fasteners] of metal Site ref. 13533 Class 06 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)