2021 year China issued GB standards list


	GB/T 39851.2-2021 Road vehicles—Diagnostic communication over Controller Area Network (DoCAN) —Part 2:Transport protocol and network layer services 道路车辆基于控制器局域网的诊断通信第2部分：传输层协议和网络层服务
	GB/T 9966.13-2021 Test methods for natural stone—Part 13:Determination of water absorption coefficient by capillarity 天然石材试验方法第13部分：毛细吸水系数的测定
	GB/T 10395.21-2021 Agricultural and forestry machinery—Safety—Part 21:Rotary tedders and rakes 农林机械安全第21部分：旋转式摊晒机和搂草机
	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 40830-2021 Code of practice for the determination of feed true ileal digestible amino acids for pigs (Simple T-cannulation) 猪饲料真可消化氨基酸测定技术规程(简单T型瘘管法)
	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 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 39780-2021 Specifications for evaluating enterprises in waste resource comprehensive utilization 资源综合利用企业评价规范
	GB/T 41086-2021 General technical requirements for hazardous chemicals security inspection equipments based on Raman spectrometry 基于拉曼光谱技术的危险化学品安全检查设备通用技术要求
	GB/T 23511-2021 Petroleum and natural gas industires—eneral requirements for offshore structures 石油天然气工业海洋结构的通用要求
	GB/T 41070-2021 Lenticular lens film for autostereoscopic 3D display -- Optical measurement method 裸眼3D柱透镜光栅膜光学测量方法
	GB/T 9481-2021 Axial-flow pump of medium-small size 中小型轴流泵
	GB/T 39843-2021 Electronic characteristic measurements—Local critical current density and its distribution in large-area superconducting films 电子学特性测量大面积超导膜的局域临界电流密度及其分布
	GB/T 39787-2021 Coordinate system of BeiDou navigation satellite system 北斗卫星导航系统坐标系
	GB/T 9966.11-2021 Test methods for natural stone—Part 11: Determination of resistance to ageing by cold and thermal shock 天然石材试验方法第11部分：激冷激热加速老化强度测定
	GB/T 6546-2021 Corrugated fibreboard—Determination of edgewise crush resistance 瓦楞纸板边压强度的测定
	GB/T 40686-2021 General technical requirements and test method of portable broadband emergency communication system 便携式宽带应急通信系统总体技术要求和测试方法
	GB/T 39956.1-2021 Pneumatic fluid power—Electro-pneumatic pressure control valves—Part 1:Main characteristics to include in the supplier's literature 气动电-气压力控制阀第1部分：商务文件中应包含的主要特性
	GB/T 40523-2021 Technology specification for geometric calibration of 1:25000 1:50000 optical mapping satellite 1:25000 1:50000光学测绘卫星几何检校技术规范
	GB/T 40805-2021 Steel castings. General technical delivery requirements 铸钢件? 交货验收通用技术条件

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