Home / Standards / GB/T 39155-2020 GB/T 39155-2020 Active Corrosion of metals and alloys—Cathodic protection of harbour installations 金属和合金的腐蚀 海港设施的阴极保护 Standard Type GBT ICS 77.060 CCS H25 Status 现行 Issue Date 2020-10-11 Implementation 2021-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A