GB/T 39205-2020 信息安全技术轻量级鉴别与访问控制机制
GB/T 39205-2020.Information security technology-Light-weight authentication and...
国家标准2023.07.31
GB/T 39205-2020.Information security technology-Light-weight authentication and...
国家标准2023.07.31
GB/T 39195-2020.Technical specifications for urban flooding risk investigation.1...
国家标准2023.07.31
GB/T 38669-2020.Internet of things-General technical requirements for mine produ...
国家标准2023.07.31
GB/T 39201-2020.Technical specifications for extraction of aluminum oxide from h...
国家标准2023.07.31
GB/T 39085.2-2020.Ships and marine technology-Marine radar reflectors-Part 2:Act...
国家标准2023.07.31
GB/T 39203-2020.Technical specifications for extraction of valuable metals from...
国家标准2023.07.31
GB/T 39551.2-2020.Patent navigation guide-Part 2 :Regional planning.1范围GB/T 3955...
国家标准2023.07.31
GB/T 39219-2020.Design guides for post-treatment of desalinated seawater.1范围GB/T...
国家标准2023.07.31
GB/T 39551.3-2020.Patent navigation guide-Part 3 : Industrial planning.1范围GB/T 3...
国家标准2023.07.31
GB/T 39138.3-2020.Methods for chemical analysis of gold nickel chromium iron sil...
国家标准2023.07.31