EU Trademark Classification EU09 Scientific and electronic apparatus Discs (Compact -) Class 09 Discs (Compact -) 21127 只读光盘（只读存储器） Chinese 只读光盘（只读存储器） English Discs (Compact -) [read-only memory] Site ref. 21127 Class 09 Included in Harmonised Database (HDB) Name qualifier read-only memory