Home / Standards / GB/T 42177-2022 GB/T 42177-2022 Active Technical requirements and test methods for gaseous hydrogen valves used in hydrogen fuelling stations 加氢站氢气阀门技术要求及试验方法 Standard Type GBT ICS 27.010 CCS F19 Status 现行 Issue Date 2022-12-30 Implementation 2023-04-01 Responsible Dept 国家标准委 Drafting Unit N/A