ISO/DIS 21809-5 : 50.20 (2017)被替代
PETROLEUM AND NATURAL GAS INDUSTRIES - EXTERNAL COATINGS FOR BURIED OR SUBMERGED PIPELINES USED IN PIPELINE TRANSPORTATION SYSTEMS - PART 5: EXTERNAL CONCRETE COATINGS
出版：International Organization for Standardization
专家解读视频
Describes 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.
08/30160023 DC : DRAFT AUG 2008 - Identical
16/30338749 DC : 0 - Identical
16/30338749 DC : 0 - Identical
