China National Standards

China corridors Industry Standards English PDF List

  •  China "corridors" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    DL/T 2631-2023 Technical requirements for power cable lines in urban comprehensive pipe corridors {译}
    城市综合管廊内电力电缆线路技术要求    		 China Electricity Industry Standards
    corridors
    English PDF

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