Home / Standards / GB/T 40519-2021 GB/T 40519-2021 Active Design requirements for atomic oxygen protection of spacecraft 航天器原子氧防护设计要求 Standard Type GBT ICS 49.020 CCS V70 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 国家标准委 Drafting Unit N/A