GB/T 46429.2-2025
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 46429.2-2025
Petroleum, Petrochemical and Natural Gas Industries - External Corrosion Protection of Standpipes by Coating and Wrapping - Part 2: Maintenance and Field Repair of Standpipe Anti-Corrosion Coatings 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
Issued Date:2025/10/31
Implemented Date:2026/5/1
Issued by:
The Standardization Administration of the People's Republic of China