2021 year China issued GB standards list


	GB/T 15914-2021 Monitoring and testing method for energy saving of steam heating equipments 蒸汽加热设备节能监测方法
	GB/T 39827.2-2021 Plastics -- Post-consumer poly(ethylene terephthalate)(PET) bottle recyclates -- Part 2: Preparation of test specimens and determination properties 塑料用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物第2部分：试样制备和性能测定
	GB/T 51446-2021 Technical standard for concrete-filled steel tubular hybrid structures 钢管混凝土混合结构技术标准
	GB/T 12242-2021 Pressure relief devices—Performance test code 压力释放装置性能试验方法
	GB/T 39809-2021 Measuring method of the energy consumption of flat glass furnace 平板玻璃窑炉能耗测定方法
	GB/T 40850-2021 Method for the detection of Enterobacteriaceae in feed 饲料中肠杆菌科的检验方法
	GB/T 14352.20-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry 钨矿石、钼矿石化学分析方法第20部分：铌、钽、锆、铪及15个稀土元素量的测定电感耦合等离子体质谱法
	GB/T 40194-2021 Detection and identification of Barley stripe mosaic virus 大麦条纹花叶病毒检疫鉴定方法
	GB/T 40189-2021 Determination of metronidazole and norfloxacin in toothpaste—High performance liquid chromatography method 牙膏中甲硝唑和诺氟沙星的测定高效液相色谱法
	GB/T 41094-2021 Operating management of passenger ropeway 客运索道使用管理
	GB/T 11761-2021 Sesame seed 芝麻
	GB/T 41028-2021 Requirements of aerospace fluid systems impulse testing of hydraulic hose ，tubing and fitting assemblies 航空航天流体系统液压软管、管道和接头组件的脉冲试验要求
	GB/T 12736-2021 Conveyor belts—Determination of strenght of mechanical fastenings—Static test method 输送带机械接头强度的测定静态试验方法
	GB/T 40626-2021 Detection and identification of Xanthomonas populi ( ex Ridé 1958 ) Ridé &Ridé 1992 杨树细菌性溃疡病菌检疫鉴定方法
	GB 1886.334-2021 National Food Safety Standard Food Additive Dipotassium Hydrogen Phosphate 食品安全国家标准食品添加剂磷酸氢二钾
	GB/T 14383-2021 Forged fittings, socket-welding and threaded 锻制承插焊和螺纹管件
	GB 6095-2021 Fall protection—Personal fall protection systems 坠落防护安全带
	GB/T 5095.2501-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-1: Test 25a: Crosstalk ratio 电子设备用机电元件基本试验规程及测量方法第25-1部分：试验25a：串扰比
	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 6286-2021 Determination of bulk density for molecular sieve 分子筛堆积密度测定方法

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