2021 year China issued GB standards list


	GB/T 40595-2021 Guide for technology and test on primary frequency control of grid-connected power resource 并网电源一次调频技术规定及试验导则
	GB 31655-2021 National food safety standards Alkaline comet test in mammals 食品安全国家标准哺乳动物体内碱性彗星试验
	GB/T 40176-2021 Determination of xylobiose in plant-derived products - Hydrophilic intention chromatography 植物源性产品中木二糖的测定亲水保留色谱法
	GB/T 6683.1-2021 Petroleum and related products—Precision of measurement methods and results—Part 1: Determination of precision data in relation to methods of test 石油及相关产品测量方法与结果精密度第1部分：试验方法精密度数据的确定
	GB/T 40241-2021 Bamboo scrimber outdoor use 户外重组竹
	GB/T 40761-2021 Sustainable cities and communities -- Transforming our cities -- Guidance for practical local implementation of GB/T 40759 城市和社区可持续发展--改变我们的城市 GB/T 40759本地实施指南
	GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content 稀土金属及其氧化物中非稀土杂质化学分析方法第7部分：硅量的测定
	GB/T 3836.34-2021 Explosive atmospheres—Part 34：Equipment assemblies 爆炸性环境第34部分：成套设备
	GB/T 40592-2021 Technical rules for automatic over-frequency generator tripping in electric power system 电力系统自动高频切除发电机组技术规定
	GB/T 40745-2021 Specification for glazing on frozen aquatic products 冷冻水产品包冰规范
	GB/T 40654-2021 Intelligent manufacturing—Virtual factory information model 智能制造虚拟工厂信息模型
	GB/T 40005-2021 Weibull statistics for strength data of fine ceramics 精细陶瓷强度数据的韦布尔统计分析方法
	GB/T 40659-2021 Intelligent manufacturing—Online detection system based on machine vision—General requirements 智能制造机器视觉在线检测系统通用要求
	GB/T 40111-2021 Standard test method for fluorine,chlorine and sulfur in petroleum products—Combustion-ion chromatography 石油产品中氟、氯和硫含量的测定燃烧-离子色谱法
	GB/T 40782-2021 General resource of military and civilian—Identification application guideline 军民通用资源标识应用指南
	GB/T 40730-2021 Non-destructive testing -- Measuring thickness by electromagnetic ultrasonic pulse-echo 无损检测电磁超声脉冲回波式测厚方法
	GB/T 39560.8-2021 Determination of certain substances in electrical and electronic products—Part 8:Phthalates in polymers by gas chromatography-mass spectrometry (GC-MS),gas chromatography-mass spectrometry using a pyrolyzer/thermaldesorption accessory (Py/TD-GC-MS) 电子电气产品中某些物质的测定第8部分：气相色谱-质谱法（GC-MS）与配有热裂解/热脱附的气相色谱-质谱法（Py/TD-GC-MS）测定聚合物中的邻苯二甲酸酯
	GB/T 40775-2021 Technical specification for eco-design product assessment—Luminaries 生态设计产品评价技术规范灯具
	GB/T 3836.33-2021 Explosive atmospheres—Part 33：Equipment in adverse service conditions 爆炸性环境第33部分：严酷工作条件用设备
	GB/T 40537-2021 Guidelines for design margin of aerospace products 航天产品裕度设计指南

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