China National Standards

China industries―Progressing GB Standards List

  •  China "industries―Progressing" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 21411.1-2014 Petroleum and natural gas industries―Progressing cavity pump systems for artificial lift―Part 1: Pumps
    石油天然气工业 人工举升用螺杆泵系统 第1部分：泵    		 China National Standards
    industries―Progressing
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