China National Standards

China Provisional Specifications Enironment Industry Standards English PDF List

  •  China "Provisional Specifications Enironment" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    YD 5039-2009 Provisional Specifications on Enironment Protection for Engineering Construction of Telecommunications
    通信工程建设环境保护技术暂行规定    		 China Telecommunication Standards
    Provisional Specifications Enironment
    English PDF

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