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liuxilin1215 发表于 2015-7-28 08:20:06

IEC 60793-2-20-2007 Optical fibres – Part 2-20: Product specifications – Sec

IEC 60793-2-20-2007 Optical fibres – Part 2-20: Product specifications – Sectional specification for category A2 multimode fibres

admin 发表于 2015-7-28 18:31:27

谢谢您的分享,金币已奖励!

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