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chankc 发表于 2013-11-17 20:26:24

求助 IEC 60794-4-20:2012

IEC 60794-4-20:2012
Optical fibre cables – Part 4-20: Aerial optical cables along electrical power lines – Family specification for ADSS (All Dielectric Self Supported) optical cables

sigh007 发表于 2013-11-17 20:26:25

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