GB/T 21411.2-2009 Standard PDF file download ; GB/T 21411.2-2009 Standard english preview version download

GB Standard Code	GB/T 21411.2-2009
Standard Category	China National Standards
GB Standard English Title	Downhole equipment for petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 2: Surface-drive systems
GB Standard Chinese Title	石油天然气工业井下设备人工举升用螺杆泵系统第2部分：地面驱动装置
Chinese Version Price	$15 USD per 50 pages
English Translation Price	About $15 per 1 page; Inquire us for detail price

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