论坛首页 › IEC 国际电工标准 › IE C60793-2-50 Optical fibres – Part 2-50: Product specifications – Sectiona

shukesan 发表于 2017-9-25 15:12:33

IE C60793-2-50 Optical fibres – Part 2-50: Product specifications – Sectiona

本帖最后由 shukesan 于 2017-9-26 08:53 编辑


IEC 60793-2-50Optical fibres  – Part 2-50: Product specifications – Sectional specification for class B  singlemode fibres - Edition 5.0

ygs67 发表于 2017-9-25 16:30:03

多谢分享！                              

admin 发表于 2017-9-27 09:22:05

谢谢您的分享,金币已奖励!

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