Home / Standards / GB/T 30788-2025 GB/T 30788-2025 Upcoming Corrosion controlling technology of steel pipelines covered by cold-applied petrolatum tape 钢制管道外部冷缠矿脂带包覆腐蚀控制技术 Standard Type GBT ICS 25.220.99 CCS A 29 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A