EU Trademark Classification EU01 Chemicals Ceramic microspheres for use as reinforcing materials Class 01 Ceramic microspheres for use as reinforcing materials 1675 用作增强材料的陶瓷微球 Chinese 用作增强材料的陶瓷微球 English Ceramic microspheres for use as reinforcing materials Site ref. 1675 Class 01 Included in Harmonised Database (HDB)