Home / Standards / GB/T 45819-2025 GB/T 45819-2025 Active Centrifugal liquid hydrogen pumps—Technical specification 离心式液氢泵 技术规范 Standard Type GBT ICS 23.080 CCS J 71 Status 现行 Issue Date 2025-05-30 Implementation 2025-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A