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[国外标准] BS EN 60794-3-20:2009 Optial fibre cables — Part 3-20: Outdoor cables — Family specification for self-supporting aerial

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P:2009-07-07 08:12:34

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BS EN 60794-3-20:2009
Optical Fibre Cables - Part 3-20: Outdoor Cables - Family Specification for
Self-Supporting Aerial Telecommunication Cables

BS EN 60794-3-20:2009 Optial fibre cables — Part 3-20: Outdoor cables — Family specification for self-supporting aerial.rar

ultrasonic machine for drilling,shaping and polishing of diamond dies - 超声波钻石模钻孔、超声波钻石拉线模钻孔,成型及抛光机 （0） 投诉

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