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更新时间:2024.04.28
GB 50374-2006通信管道工程施工及验收规范

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GB 50374-2006通信管道工程施工及验收规范

GB50374-2006通信管道工程施工及验收规范

格式:pdf

大小:2.5MB

页数: 59页

In order to e nsure normal tea chi ng or der, protecti ng student s ' healt hy growth, ensuring t hat nati onal (pr operty) is not lost, to preve nt or minimize the occurre nce of safety acci dent s, follow t he "preve nt, rescue ea ch othe r, ensure safety and re duce losses" pri nci ple, a ccordi ng to the l oca l conditi ons, make t he m anageme nt system. 1, t he pri nci pal is t he responsi b

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