NF 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
出版：Association Francaise de Normalisation
专家解读视频
2017 [01/08/2017]2010 [01/11/2010]2008 PR [01/11/2008]
Indice de classement: A49-721-5. PR NF EN ISO 21809-5 November 2008. (11/2008) PR NF EN ISO 21809-5 June 2016. (07/2016)
EN ISO 21809-5 : 2017 - Identical
ISO 21809-5 : 2017 - Identical
EN ISO 21809-5 : 2017 - Identical
EN ISO 21809-5:2017 - Identical
