DIN EN ISO 21809-1:2011-10
Отменен
Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) (ISO 21809-1:2011); English version EN ISO 21809-1:2011
— 67 стр.
