BS EN 60794-3-30:2008?Optical fibres — Part 3-30: Outdoor cables – Family specification for optioptical - 简版
绿野仙踪
楼主
2009-07-07 08:15:12
BS EN 60794-3-30:2008
Optical Fibre Cables - Part 3-30: Outdoor Cables - Family Specification for
Optical Telecommunication Cables for Lakes, River Crossings and Coastal Application
