标题: IEC 60793-1-49-2006 Optical fibres – Part 1-49: Measurement methods and test p [打印本页] 作者: liuxilin1215 时间: 2015-7-27 08:39:12 标题: IEC 60793-1-49-2006 Optical fibres – Part 1-49: Measurement methods and test p
IEC 60793-1-49-2006 Optical fibres – Part 1-49: Measurement methods and test procedures – Differential mode delay
[attach]77180[/attach] 作者: admin 时间: 2015-7-27 10:10:35