2021 year China issued GB standards list


	GB/T 21741-2021 General specifications for security system for residential areas 住宅小区安全防范系统通用技术要求
	GB/T 9098-2021 Methods for the determination of prohibited substances in furniture products and related materials—Certain phthalate esters 电冰箱用全封闭型电动机-压缩机
	GB/T 22178-2021 Oxadiazon emulsifiable concentrates 噁草酮乳油
	GB/T 3883.209-2021 Safety of motor-operated hand-held, transportable and garden tools - Part 209: Particular requirements for hand-held tappers and threaders 手持式、可移式电动工具和园林工具的安全第209部分：手持式攻丝机和套丝机的专用要求
	GB/T 39926-2021 Hydraulic fluid power—Filter element test methods—Thermal conditioning and cold start-up simulation 液压传动滤芯试验方法热工况和冷启动模拟
	GB/T 31016-2021 General technical specification for mobile laboratory of sample collection and treatment 样品采集与处理移动实验室通用技术规范
	GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content 稀土金属及其氧化物中非稀土杂质化学分析方法第7部分：硅量的测定
	GB/T 40761-2021 Sustainable cities and communities -- Transforming our cities -- Guidance for practical local implementation of GB/T 40759 城市和社区可持续发展--改变我们的城市 GB/T 40759本地实施指南
	GB/T 21227-2021 AC loss measurements—Magnetometer methods for hysteresis loss in superconducting multifilamentary composites 交流损耗测量多丝复合超导材料磁滞损耗的磁强计测量法
	GB/T 40599-2021 Technical specification for relay protection and security automatic equipment online monitoring and analysis 继电保护及安全自动装置在线监视与分析技术规范
	GB/T 39905-2021 Regional brand valuation -- Industrial clusters 区域品牌价值评价产业集聚区
	GB/T 40633-2021 Vocabulary of tea processing 茶叶加工术语
	GB/T 40006.7-2021 Plastics—Recycled plastics—Part 7: Polycarbonate(PC) materials 塑料再生塑料第7部分：聚碳酸酯(PC)材料
	GB/T 24621.1-2021 Application guide for electric safety of low-voltage switchgear and controlgear assemblies—Part 1: switchgear assemblies 低压成套开关设备和控制设备的电气安全应用指南第1部分：成套开关设备
	GB/T 9966.10-2021 Test methods for natural stone-Part 10:Determination of resistance to shaking for individual stone anchoragest 天然石材试验方法第10部分：挂件组合单元抗震性能的测定
	GB/T 17889.1-2021 Ladders -- Part 1: Terms, types, functional sizes 梯子第1部分：术语、型式和功能尺寸
	GB/T 22590-2021 Refractory castables for rolling mill reheating furnace 轧钢加热炉用耐火浇注料
	GB/T 39898-2021 Technical specifications for the construction of intelligent traffic management system 智能交通管理系统建设技术规范
	GB/T 18426-2021 Rubber-or plastics-coated fabrics—Low-temperature bend test 橡胶或塑料涂覆织物低温弯曲试验
	GB/T 40903-2021 Textiles—Identification of some animal fibres by DNA analysis method—Cashmere,wool,yak and their blends 纺织品 DNA分析法鉴别某些特种动物纤维山羊绒、绵羊毛、牦牛绒及其混合物

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