DIN EN ISO 21809-2 (2015-03)现行
Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems Part 2: Single layer fusion-bonded epoxy coatings (ISO 21809-2:2014); English version EN ISO 21809-2:2014
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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