GB/T 21411.2-2009
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21411.2-2009
Downhole equipment for petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 2: Surface-drive systems 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
Issued Date:2009-04-02
Implemented Date:2010-01-01
Issued by:
The Standardization Administration of the People's Republic of China