电工电器 电线电缆制造通信电缆——无线通信用 50 Ω 泡沫聚烯烃绝缘皱纹铜管外导体射频同轴电缆劳动定额
Formulation of work quota of telecommunication cable—Foamed polyolefin dielectric, corrugated copper-tube outer conductor, 50 ohm radio frequency coaxial cable for wireless communication in electrical equipment wire and cable manufacturing