Home / Standards / GB/T 34517-2017 GB/T 34517-2017 Active Evaluating method for spacecraft nonmetal materials outgassing in vacuum 航天器用非金属材料真空出气评价方法 Standard Type GBT ICS 49.025.99 CCS V13 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A