China National Standards

China design excavation Industry Standards English PDF List

  •  China " design excavation" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 7366-2017 (Code for design of excavation and crossing of oil and gas pipelines)
    油气输送管道工程水域开挖穿越设计规范    		 China Oil & Gas Industry Standards
    design excavation
    English PDF

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