Home / Standards / GB/T 21267-2007 GB/T 21267-2007 Abolished Petroleum and natural gas industries - Procedures for testing casing and tubing connections 石油天然气工业 套管及油管螺纹连接试验程序 Standard Type GBT ICS 75.180.10 CCS E92 Status 废止 Issue Date 2007-12-19 Implementation 2008-06-01 Responsible Dept 国家标准委 Drafting Unit N/A