EU Trademark Classification EU01 Chemicals 用作填料的陶瓷微球（1672） Class 01 Ceramic microspheres for use as fillers 1672 用作填料的陶瓷微球 Chinese 用作填料的陶瓷微球 English Ceramic microspheres for use as fillers Site ref. 1672 Class 01 Included in Harmonised Database (HDB)