Home / Standards / GB/T 35988-2018 GB/T 35988-2018 Active Cathodic protection of offshore pipeline in petroleum, natural gas industries 石油天然气工业海底管道阴极保护 Standard Type GBT ICS 75.200 CCS E98 Status 现行 Issue Date 2018-02-06 Implementation 2018-09-01 Responsible Dept 国家标准委 Drafting Unit N/A