GB/T 46429.2-2025

Petroleum, petrochemical and natural gas industries—External corrosion protection of risers by coatings and linings—Part 2: Maintenance and field repair coatings for riser pipes

石油、石化和天然气工业 用涂层和包覆对立管的外腐蚀防护 第2部分：立管防腐层的维护和现场修复