BS EN ISO 21809-5:2017现行
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)
出版：British Standards Institution
专家解读视频
2017 [30/09/2017]2010 [30/04/2010]
Supersedes 16/30338749 DC. (10/2017)
EN ISO 21809-5 : 2017 - Identical
ISO 21809-5 : 2017 - Identical
EN ISO 21809-5 : 2017 - Identical
ISO 21809-5 : 2017 - Identical
EN ISO 21809-5:2017 - Identical
