标题: IEC 61156-2-2010 Multicore and symmetrical pair/quad cables for digital communic [打印本页] 作者: liuxilin1215 时间: 2015-7-7 21:14:33 标题: IEC 61156-2-2010 Multicore and symmetrical pair/quad cables for digital communic
IEC 61156-2-2010 Multicore and symmetrical pair/quad cables for digital communications – Part 2: Symmetrical pair/quad cables with transmission characteristics up to 100 MHz – Horizontal floor wiring – Sectional specification
[attach]74949[/attach] 作者: admin 时间: 2015-7-8 15:04:41