China National Standards

China construction pipe process GB Standards List

  •  China "construction pipe process" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 50540-2009 Code for construction of pipe process in oil and gas transmission pipeline station
    石油天然气站内工艺管道工程施工规范(2012年版)    		 China National Standards
    construction pipe process
    English PDF

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