China National Standards

China Drilling Regulations Water Industry Standards English PDF List

  •  China "Drilling Regulations Water" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SL/T 291—2020 Drilling Regulations for Water Conservancy and Hydropower Engineering {译}
    水利水电工程钻探规程    		 China Water Resources Industry Standards
    Drilling Regulations Water
    English PDF

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