0304 研磨用材料及其制劑
磨光用石頭030002,研磨劑030003,磨利用制劑030003,金屬碳化物(研磨料)030035,碳化硅(研磨料)030036,金剛砂(研磨用)030062,金剛鋁(研磨料)030082,金剛砂紙030084,金剛砂布030086,金剛砂030094,砂紙030140,浮石030145,砂布030160,玻璃砂布030161,研磨材料*030165,研磨紙030166
※磨光粉C030032,研磨膏C030033,玻璃砂(研磨用)C030034,研磨用剛玉砂C030035,白剛玉C030036,裁布機(jī)用砂帶C030073