Home / Standards / GB/T 37309-2019 GB/T 37309-2019 Active Anti-corrosion technical specification for marine steel structures by high velocity arc spraying 海洋用钢结构高速电弧喷涂耐蚀作业技术规范 Standard Type GBT ICS 25.220.99 CCS A29 Status 现行 Issue Date 2019-03-25 Implementation 2020-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A