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[国外标准] BS 4808-4-1974 L.F. cables and wires with PVC iulation and PVC sheath for telecommunication Part4

802211250

P:2024-01-22 14:33:59

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BS 4808-4-1974 L.F. cables and wires with PVC insulation and PVC sheath for telecommunication Part4

BS 4808-4-1974 L.F. cables and wires with PVC insulation and PVC sheath for telecommunication Part.pdf

finished yarn - 成品丝 （0） 投诉

CT18052410053

P:2024-01-22 14:53:49

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copper - 铜 （0） 投诉

wzg196

P:2024-01-22 19:09:52

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degradation of polymers by irradiation - 高分子辐照降解 （0） 投诉

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