2021 year China issued GB standards list


	GB/T 40523.2-2021 Ships and marine technology—Measurement of changes in hull and propeller performance—Part 2: Default method 船舶与海上技术船体和螺旋桨性能变化测量第2部分：默认方法
	GB/T 40446-2021 Guideline for grade of fruits 果品质量分级导则
	GB/T 40445-2021 Detection and identification of Carpomya vesuviana Costa 枣实蝇检疫鉴定方法
	GB/T 40443-2021 Household electrical appliances suitable for older persons—General technical requirements 适用于老年人的家用电器通用技术要求
	GB/T 29716.3-2021 Mechanical vibration and shock—Signal processing—Part 3:Methods of time-frequency analysis 机械振动与冲击信号处理第3部分：时频分析方法
	GB/T 31070.3-2021 Building intercom systems—Part 3:Technical requirements for specific applications 楼寓对讲系统第3部分:特定应用技术要求
	GB/T 40095-2021 Technical specifications for measurement and control device in smart substation 智能变电站测控装置技术规范
	GB/T 40473.5-2021 Banking application system—Nonfunctional requirement—Part 5: Usability 银行业应用系统非功能需求第5部分：易用性
	GB/T 40457-2021 Detection and identification of Colletotrichum kahawae J.M. Waller & Bridge 咖啡浆果炭疽病菌检疫鉴定方法
	GB/T 40527-2021 Digital space photogrammetry—Map surveying specification 数字航天摄影测量测图规范
	GB/T 40238-2021 Reaction to fire tests for building materials and products—General rules for selection of substrates,conditioning and mounting of specimen 建筑材料及制品燃烧试验基材选取、试样状态调节和安装要求
	GB/T 40619-2021 Technical specification for lightning nowcasting and warning based on lightning location system 基于雷电定位系统的雷电临近预警技术规范
	GB/T 40778.2-2021 Internet of things—Web-oriented open service system implementation—Part 2:Thing description method 物联网面向Web开放服务的系统实现第2部分：物体描述方法
	GB/T 40778.1-2021 Internet of things—Web-oriented open service system implementation—Part 1:Reference architecture 物联网面向Web开放服务的系统实现第1部分：参考架构
	GB/T 40235-2021 Technical requirements of energy supervision data acquisition terminal for power generation fueled by coal with low calorific value 低热值煤发电能源监管采集终端技术要求
	GB/T 40656.1-2021 Smart city—Urban operation center—Part 1: General requirements 智慧城市运营中心第1部分：总体要求
	GB/T 40697-2021 Specification for management of the third-party coal testing 第三方煤炭检测管理规范
	GB/T 40075-2021 General technical specification of six-axle light rail vehicle with articulated bogie for urban rail transit 城市轨道交通六轴铰接转向架轻轨车辆通用技术条件
	GB/T 40077-2021 Reciprocating positive displacement pumps and pump units—Technical requirements 往复式容积泵和泵装置　技术要求
	GB/T 40232-2021 Safety signs used in ice and snow sports areas 冰雪运动场所用安全标志

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