I.S. 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：National Standards Authority of Ireland
专家解读视频
Defines the requirements for qualification, application, testing and handling of materials required for the application of reinforced concrete coating externally to either bare pipe or pre-coated pipe for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.
EN ISO 21809-5:2017 - Identical
ISO 21809-5 : 2017 - Identical
EN ISO 21809-5 : 2017 - Identical
EN ISO 21809-5 : 2017 - Identical
ISO 21809-5 : 2017 - Identical
