2021 year China issued GB standards list


	GB/T 40974-2021 Quality evaluation methods of the nucleic acid 核酸样本质量评价方法
	GB/T 40951-2021 Specification for urban passenger transfer hub operation safety management 城市客运枢纽运营安全管理规范
	GB/T 8243.12-2021 Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity 内燃机全流式机油滤清器试验方法第12部分：颗粒计数法滤清效率和容灰量
	GB/T 40829-2021 Asset management system maturity assessment of an organization 组织资产管理体系成熟度评价
	GB/T 40569-2021 Identification and management requirements for logistics carton 物流周转箱标识与管理要求
	GB/T 4798.2-2021 Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 2:Transportation and handling 环境条件分类环境参数组分类及其严酷程度分级第2部分：运输和装卸
	GB/T 40980-2021 Determination of reducing sugar in biochemical products—High-performance liquid chromatography with pre-column derivatization 生化制品中还原糖的测定柱前衍生高效液相色谱法
	GB/T 39796-2021 Test method for airbone sound insulating properties of glass used on multipe units 动车组玻璃隔声性能试验方法
	GB/T 39794.2-2021 Test method for wind uplift resistance of mental roof—Part 2:Dynamic pressure method 金属屋面抗风掀性能检测方法第2部分：动态压力法
	GB/T 40848-2021 (Feed ingredients: Corn flakes) 饲料原料压片玉米
	GB/T 6113.103-2021 Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-3:Radio disturbance and immunity measuring apparatus—Ancillary equipment—Disturbances power 无线电骚扰和抗扰度测量设备和测量方法规范第1-3部分：无线电骚扰和抗扰度测量设备辅助设备骚扰功率
	GB/T 17144-2021 Petroleum products—Determinatioan of carbon residue—Micro method 石油产品残炭的测定微量法
	GB/T 6546-2021 Corrugated fibreboard—Determination of edgewise crush resistance 瓦楞纸板边压强度的测定
	GB/T 39787-2021 Coordinate system of BeiDou navigation satellite system 北斗卫星导航系统坐标系
	GB/T 40926.4-2021 Protective equipment for use in ice hockey—Part 4:Head and face protection for goalkeepers 冰球运动护具第4部分：守门员的头部和面部护具
	GB/T 40835-2021 Feed safety evaluation—Determination of rumen degradation of ruminant feedstuffs—Code of practice in feeding trail of cattle 畜禽饲料安全评价反刍动物饲料瘤胃降解率测定牛饲养试验技术规程
	GB/T 39768-2021 Classification and coding for human biomaterial 人类生物样本分类与编码
	GB/T 16162-2021 Vocabulary for global maritime distress and safety system 全球海上遇险和安全系统（GMDSS）术语
	GB/T 5095.2304-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain 电子设备用机电元件基本试验规程及测量方法第23-4部分：屏蔽和滤波试验试验23d：时域内传输线的反射
	GB/T 22565.1-2021 Metallic materials -- Sheet and strip -- Method for spring back evaluation -- Part 1: Stretch bending 金属材料薄板和薄带回弹性能评估方法第1部分：拉弯法

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