China National Standards

China equipment―Wellhead GB Standards List

  •  China "equipment―Wellhead" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 22513-2013 Petroleum and natural gas industries―Drilling and production equipment―Wellhead and christmas tree equipment
    石油天然气工业 钻井和采油设备 井口装置和采油树    		 China National Standards
    equipment―Wellhead
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