GB/T 39882-2021 疑似毒品中二亚甲基双氧安非他明检验气相色谱和气相色谱-质谱法
GB/T 39882-2021.Examination methods for methylene dioxymetham phetamine in suspe...
国家标准2023.08.06
GB/T 39882-2021.Examination methods for methylene dioxymetham phetamine in suspe...
国家标准2023.08.06
GB/T 12243-2021.Spring loaded safety valves.1范围GB/T 12243规定了弹簧直接载荷式安全阀(以下简称安全阀)的...
国家标准2023.08.06
GB/T 39880-2021.Examination methods for methadone in suspected drugs-Gas chromat...
国家标准2023.08.06
GB/T 40020-2021.Cyber-physical systems-Reference architecture.1范围GB/T 40020规定了信息...
国家标准2023.08.06
GB/T 39881-2021.Examination methods for methaqualone in suspected drugs-Gas chro...
国家标准2023.08.06
GB/T 40060-2021.Technical requirements for storage and transportation of liquid...
国家标准2023.08.06
GB/T 40045-2021.Fuel specification for hydrogen powered vehicles-Liquid hydrogen...
国家标准2023.08.06
GB/T 39240-2020.Non-destructive testing-Ultrasonic testing-General principles.1范...
国家标准2023.08.06
GB/T 39239-2020.Non-destructive testing-Ultrasonic testing一Characterization and...
国家标准2023.08.06
GB/T 39238-2020.Non-destructive testing-Ultrasonic testing-Examination for disco...
国家标准2023.08.06