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[国外标准] IEC 60793-2-50:2015 Optical fibres Part 2-50: Product specifications Sectional specification for class B single-mode fibres

P:2019-09-11 13:45:43

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paper tape cutting machine - 切纸机 (0) 投诉

P:2019-09-12 08:40:47

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HT-PEX - High Tension PEX Cable高压硅油交联电缆 (0) 投诉

P:2019-09-12 08:43:31

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ultra-clean surface finish - 超净表面加工 (0) 投诉

P:2023-10-13 11:15:32

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optical cable filling compound - 光缆填充料 (0) 投诉

P:2023-10-19 07:52:36

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jump - 跳跃,跳动;突变 (0) 投诉

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