Home / Standards / GB/T 45820-2025 GB/T 45820-2025 Active Turbine compressors for petroleum refining plant 石油炼化装置用透平压缩机 Standard Type GBT ICS 23.120 CCS J72 Status 现行 Issue Date 2025-05-30 Implementation 2025-05-30 Responsible Dept 中国机械工业联合会 Drafting Unit N/A