Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems -- Part 5: External concrete coatings— 36 стр.
Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems. Polyethylene coatings (2-layer PE)— 42 стр.
Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems -- Part 5: External concrete coatings— 36 стр.
