ISO 21809-1-2018
发布时间:2024-03-20 16:57:49 点击量:1612
Petroleum and natural gasindustries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 1: Polyolefin coatings (3-layer PE and 3-layer PP)
石油和天然气工业 - 管道输送系统中使用的埋地或水下管道的外部涂层第1部分:聚烯烃涂层(3层PE和3层PP)