Home / Standards / GB/T 42857-2023 GB/T 42857-2023 Active Safety of pressure swing adsorption systems for hydrogen purification 变压吸附提纯氢气系统安全要求 Standard Type GBT ICS 27.180 CCS F19 Status 现行 Issue Date 2023-08-06 Implementation 2023-12-01 Responsible Dept 国家标准委 Drafting Unit N/A