2021 year China issued GB standards list


	GB/T 17964-2021 Information security technology—Modes of operation for a block cipher 信息安全技术分组密码算法的工作模式
	GB/T 40531.1-2021 Ships and marine technology—Specifications for gas detectors intended for use on board ships—Part 1:Portable gas detectors for atmosphere testing of enclosed spaces 船舶与海上技术船用气体探测器规范第1部分：围蔽处所的便携式气体探测器
	GB/T 40739-2021 Gas turbines -- Data acquisition and trend monitoring system requirements for gas turbine installations 燃气轮机? 燃气轮机设备的数据采集和趋势监测系统要求
	GB/T 40533-2021 Ships and marine technology—Loose gear of lifting appliances on ships—Pulleys 船舶与海洋技术船用起重设备可拆卸零部件滑轮装置
	GB/T 40565.2-2021 Connections for hydraulic fluid power—Quick-action couplings—Part 2:Flush-face type at 20 MPa to 31.5 MPa 液压传动连接快换接头第2部分：20 MPa～31.5 MPa平面型
	GB/T 40740-2021 Welding procedures qualification for overlay welding 堆焊工艺评定试验
	GB/T 40594-2021 Technical guide for power grid and source coordination 电力系统网源协调技术导则
	GB/T 10217-2021 Design guide of the outline and structure for the electric control equipment 电工控制设备造型设计导则
	GB/T 19634-2021 In vitro diagnostic test systems—General technical requirements for blood-glucose monitoring systems for self-testing 体外诊断检验系统自测用血糖监测系统通用技术条件
	GB/T 21021.1-2021 Intermodulation level measurement for passive RF and microwave devices—Part 1: General requirements and measuring methods 无源射频和微波元器件的互调电平测量第1部分：一般要求和测量方法
	GB/T 30104.101-2021 Digital addressable lighting interface—Part 101:General requirements—System components 数字可寻址照明接口第101部分：一般要求系统组件
	GB/T 13259-2021 High-pressure sodium vapour lamps—Performance requirements 高压钠灯性能要求
	GB/T 40394-2021 Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry 工业用甲醇中痕量三甲胺含量的测定气相色谱质谱联用法
	GB/T 40916-2021 High strength polyurethane foam for storage and transport of liquefied gas 液化气储运用高强度聚氨酯泡沫塑料
	GB/T 40895-2021 Determination of prohibited tetracaine and its salts in cosmetics—Ion chromatography 化妆品中禁用物质丁卡因及其盐类的测定离子色谱法
	GB/T 40395-2021 Determination of ammonium in methanol for industrial use—Ion chromatography 工业用甲醇中铵离子的测定离子色谱法
	GB/T 40396-2021 Test method for glass transition temperature of polymer matrix composites—Dynamic mechanical analysis（DMA）聚合物基复合材料玻璃化转变温度试验方法动态力学分析法（DMA）
	GB/T 40397-2021 Household outdoor air dehumidifier 户式新风除湿机
	GB/T 40979-2021 Personal information protection requirements and test methods for intelligent household appliances 智能家用电器个人信息保护要求和测评方法
	GB/T 40900-2021 Determination of fluorescent brightener 367 and fluorescent brightener 393 in cosmetics—Liquid chromatography-tandem mass spectrometry 化妆品中荧光增白剂367和荧光增白剂393的测定液相色谱-串联质谱法

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