Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 5: External concrete coatings (ISO 21809-5:2010); English version EN ISO 21809-5:2010— 39 стр.
Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 5: External concrete coatings (ISO 21809-5:2017)— 41 стр.
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.