2021 year China issued GB standards list


	GB/T 1927.20-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 20: Determination of cleavage strength 无疵小试样木材物理力学性质试验方法第20部分：抗劈力测定
	GB/T 40729-2021 Fatigue life test method for precision gear transmission 精密齿轮传动装置疲劳寿命试验方法
	GB/T 40791-2021 Non-destructive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections 钢管无损检测焊接钢管焊缝缺欠的射线检测
	GB/T 40465-2021 Traceability requirement for livestock and poultry meat 畜禽肉追溯要求
	GB/T 41068-2021 Nanotechnologies -- Determination of water-soluble anions content in graphene-related powder -- Ion chromatography method 纳米技术石墨烯粉体中水溶性阴离子含量的测定离子色谱法
	GB/T 1927.18-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 18: Determination of resistance to impact indentation 无疵小试样木材物理力学性质试验方法第18部分：抗冲击压痕测定
	GB/T 40461-2021 Determination of sodium content for fertilizers 肥料中钠含量的测定
	GB/T 41134.2-2021 Fuel cell power systems for industrial electric trucks -- Part 2: Performance test methods 电驱动工业车辆用燃料电池发电系统第2部分：性能试验方法
	GB/T 5289.2-2021 Test conditions for testing the accuracy of boring and milling machines with horizontal spindle—Part 2：Machines with movable column and fixed table 卧式铣镗床精度检验条件第2部分：带移动立柱和固定工作台的机床
	GB/T 41140-2021 Analysis criterion for radiation source term of reactor core and spent fuel assembly in PWR nuclear power plant 压水堆核电厂堆芯及乏燃料组件辐射源项分析准则
	GB/T 40456-2021 Detection and identification of Vryburgia amaryllidis (Bouché, 1837) 石蒜弗粉蚧检疫鉴定方法
	GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method 钨铁钨含量的测定辛可宁重量法和硝酸铵重量法
	GB/T 40455-2021 Detection and identification of Blueberry shock virus 蓝莓休克病毒检疫鉴定方法
	GB/T 40621-2021 Drawing method of cloud-to-ground lightning density distribution map 地闪密度分布图绘制方法
	GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests 人造气氛腐蚀试验盐雾试验
	GB/T 41009-2021 Forensic sciences -- Data structures of selected loci from the DNA database 法庭科学? DNA数据库选用的基因座及其数据结构
	GB/T 41020-2021 Guidance on building fire risk assessment for property insurance 建筑物财产保险火灾风险评估指南
	GB/T 13542.2-2021 Plastic films for electrical purposes—Part 2:Methods of test 电气绝缘用薄膜第2部分：试验方法
	GB/T 41125-2021 Agricultural machinery -- Equipment for sowing -- Minimization of the environmental effects of fan exhaust from pneumatic systems 农业机械? 播种机? 减少气力系统风机排气对环境的影响
	GB/T 22271.2-2021 Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties 塑料聚甲醛（POM）模塑和挤出材料第2部分：试样制备和性能测定

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