China 'GB/T 21412.4-2013
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21412.4-2013
Petroleum and natural gas industries―Design and operation of subsea production systems―Part 4: Subsea wellhead and tree equipment 石油天然气工业 水下生产系统的设计与操作 第4部分:水下井口装置和采油树设备
Issued Date:2013-12-31
Implemented Date:2014-10-01
Issued by:
The Standardization Administration of the People's Republic of China