Home / Standards / GB/T 45027-2024 GB/T 45027-2024 Active Valves for liquid hydrogen—General specification 液氢阀门 通用规范 Standard Type GBT ICS 27.010 CCS F19 Status 现行 Issue Date 2024-12-31 Implementation 2025-04-01 Responsible Dept 国家标准委 Drafting Unit N/A