标题: ISO 21809-3:2008 [打印本页] 作者: ir_71 时间: 2014-6-29 17:14:15 标题: ISO 21809-3:2008
ISO 21809-3:2008
Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems —
Part 3: Field joint coatings