EU Trademark Classification EU11 Lighting, heating and air conditioning 作为照明设施部件的漫射器（28752） Class 11 Diffusers being parts of lighting installations 28752 作为照明设施部件的漫射器 Chinese 作为照明设施部件的漫射器 English Diffusers being parts of lighting installations Site ref. 28752 Class 11 Included in Harmonised Database (HDB)