2021 year China issued GB standards list


	GB/T 14467-2021 Classification and codes of China plants 中国植物分类与代码
	GB/T 10781.8-2021 Quality requirements for baijiu— Part 8: Nongjiangjianxiangxing baijiu 白酒质量要求第8部分：浓酱兼香型白酒
	GB/T 24685-2021 Puddling and fertilizing land leveler for paddy field 水田平地施肥搅浆机
	GB/T 40812-2021 Container transportation electronic data interchange—Container stuffing/stripping message 集装箱运输电子数据交换装箱单报文
	GB/T 6730.48-2021 Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method 铁矿石铋含量的测定二硫代二安替吡啉甲烷分光光度法
	GB/T 40917-2021 Textiles—Determination of perfluorohexane-1-sulphonic acid and its salts 纺织品全氟己烷磺酸及其盐类的测定
	GB/T 20933-2021 Hot rolled sheet pile 热轧钢板桩
	GB/T 40962-2021 Dried boiled abalone 干鲍鱼
	GB/T 40874-2021 Crude petroleum and petroleum products—Bulk cargo transfer—Guidelines for achieving the fullness of pipelines 原油和石油产品散装货物输转管线充满指南
	GB/T 40872-2021 Plastics—Test methods of polyethylene cellular 塑料聚乙烯泡沫试验方法
	GB/T 40648-2021 Intelligent manufacturing -- Virtual factory reference architecture 智能制造虚拟工厂参考架构
	GB/T 21021.1-2021 Intermodulation level measurement for passive RF and microwave devices—Part 1: General requirements and measuring methods 无源射频和微波元器件的互调电平测量第1部分：一般要求和测量方法
	GB/T 40795.1-2021 Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method 镧铈金属及其化合物化学分析方法第1部分：铈量的测定硫酸亚铁铵滴定法
	GB/T 28504.2-2021 Rare earth doped optical fibre—Part 2:Characteristics of double-cladding thulium-doped optical fibre 掺稀土光纤第2部分：双包层掺铥光纤特性
	GB/T 21021.3-2021 Intermodulation level measurement for passive RF and microwave devices -- Part 3: Measurement of passive intermodulation in coaxial connectors 无源射频和微波元器件的互调电平测量第3部分：同轴连接器的无源互调测量
	GB/T 40795.2-2021 Chemical analysis methods of lanthanum-cerium metals and their compounds—Part 2:Determination of rare earth content 镧铈金属及其化合物化学分析方法第2部分：稀土量的测定
	GB/T 15972.49-2021 Specifications for optical fibre test methods—Part 49: Measurement methods and test procedures for transmission characteristics—Differential mode delay 光纤试验方法规范第49部分：传输特性的测量方法和试验程序微分模时延
	GB/T 18691.3-2021 Agricultural irrigation equipment—Irrigation valves—Part 3: Check valves 农业灌溉设备灌溉阀第3部分：止回阀
	GB/T 24606-2021 Rolling bearings—Non-destructive testing—Magnetic particle testing 滚动轴承无损检测磁粉检测
	GB/T 40746-2021 Freshwater nucleated pearl 淡水有核珍珠

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