编码描述:,crosstalk meter,distortion factor meters,gain measuring instruments,other,other instruments and apparatus specially designed for telecommunications (for example, crosstalk meters, gain measuring instruments, distortion factor meters, psophometers),psophometers 编码来源:韩国原始海关数据 产品标签: electric heating resistor,earing,commercial catalogue,bracelet,brooch,copolymer,advertising material,styrene,chains,acrylonitrile