编码描述:,siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less. 编码来源:韩国原始海关数据 产品标签: management,agricultural chemicals,bleach,nbl,mater,turing,pile fabric,ache,red material,aluminium alloy