Home / Standards / GB/T 30788-2014 GB/T 30788-2014 Active Specification of cold-applied petrolatum tape coatings for steel pipelines 钢制管道外部缠绕防腐蚀冷缠矿脂带作业规范 Standard Type GBT ICS 25.220.99 CCS A29 Status 现行 Issue Date 2014-07-08 Implementation 2014-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A