DIN EN ISO 11960-2014 石油和天然气工业. 井套管或油管用钢管(ISO 11960-2014); 英文版本EN ISO 11960-2014, 仅有CD-ROM格式文件
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