Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells (ISO/DIS 11960:2013); English version prEN ISO 11960:2013, only on CD-ROM
Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells (ISO 11960:2014); English version EN ISO 11960:2014, only on CD-ROM— 282 стр.