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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 10:56:36

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internall steel-tape armoured cable - 内钢带铠装电缆 (0) 投诉

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

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multi-stage extruder - 多级式挤出机 (0) 投诉

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

3

collectively shielded cable - 总屏蔽电缆 (0) 投诉

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

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pivoted die - 顶针式线模 (0) 投诉

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

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foamed insulation coating machine - 泡沫绝缘涂制机 (0) 投诉

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

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silane - 硅烷 (0) 投诉

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