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[国外标准] BS 7870-4.20-1999 LV and MV polymeric insulated cables for use by distribution and generation utilities

9781780

P:2024-08-08 16:25:42

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BS 7870-4.20-1999 LV and MV polymeric insulated cables for use by distribution and generation utilities.pdf

non-defective - 无缺陷[点]的,无故障的；合格品 （0） 投诉

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