Home / Standards / GB/T 40375-2021 GB/T 40375-2021 Active Technical specification of corrosion control operation for metal connection (fastening) structure 金属连接(紧固)结构耐蚀作业技术规范 Standard Type GBT ICS 25.220.99 CCS A29 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A