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'2020'
China GB Standards List

 GB/T 39621-2020  
Textiles—Quantitative chemical analysis—Mixture of cross-linked lyocell fibres and viscose or cupro or modal (method using formic acid and zinc chloride)

纺织品 定量化学分析 交联型莱赛尔纤维与粘胶纤维、铜氨纤维、莫代尔纤维的混合物(甲酸/氯化锌法)
 GB/T 39673.53-2020  
Home and building electronic systems (HBES) and building automation and control systems (BACS)—Part 53: EMC requirements for HBES/BACS used in industrial environments

住宅和楼宇电子系统(HBES)及楼宇自动化和控制系统(BACS) 第53部分:用于工业环境下的HBES和BACS的EMC要求
 GB/T 39673.52-2020  
Home and building electronic systems (HBES) and building automation and control systems (BACS)—Part 52: EMC requirements for HBES/BACS used in residential, commercial and light-industrial environments

住宅和楼宇电子系统(HBES)及楼宇自动化和控制系统(BACS) 第52部分:用于住宅、商业和轻工业环境下的HBES和BACS的EMC要求
 GB/T 39673.51-2020  
Home and building electronic systems (HBES) and building automation and control systems (BACS) —Part 51: EMC requirements, conditions and test set-up

住宅和楼宇电子系统(HBES)及楼宇自动化和控制系统(BACS) 第51部分:EMC要求、条件和测试布置
 GB/T 39673.3-2020  
Home and building electronic systems (HBES) and building automation and control systems (BACS)—Part 3: Electrical safety requirements

住宅和楼宇电子系统(HBES)及楼宇自动化和控制系统(BACS) 第3部分:电气安全要求
 GB/T 39670-2020  
Determination of nitrofuran metabolites in pet feeds—Liquid chromatography–tandem mass spectrometry

宠物饲料中硝基呋喃类代谢物残留量的测定 液相色谱-串联质谱法

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