2021 year China issued GB standards list


	GB/T 41135.2-2021 Current and voltage sensors or detectors, to be used for fault passage indication purposes -- Part 2: System aspects 故障路径指示用电流和电压传感器或探测器?? 第2部分：系统应用
	GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method 稀土金属及其氧化物中非稀土杂质化学分析方法第4部分：氧、氮量的测定脉冲-红外吸收法和脉冲-热导法
	GB/T 6730.25-2021 Iron ores—Determination of total rare earth contents—Oxalate gravimetric method 铁矿石稀土总量的测定草酸盐重量法
	GB/T 13203-2021 Methods for verifying capabilities of motorcycle tyres 摩托车轮胎性能试验方法
	GB/T 40543-2021 Petroleum and natural gas industries—Materials selection for high content CO2 for casing, tubing and downhole equipment 石油天然气工业高含CO2环境用套管、油管及井下工具的材料选择
	GB/T 8013.5-2021 Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 5: Function coatings 铝及铝合金阳极氧化膜与有机聚合物膜第5部分：功能膜
	GB/T 40357-2021 Hair products—Determination of the permeability of hairpiece to air 发制品假发透气性的测定
	GB/T 9966.18-2021 Test methods for natural stone-Part 18:Petrographic examination 天然石材试验方法第18部分：岩相分析
	GB/T 29732-2021 Surface chemical analysis—Medium resolution auger electron spectrometers—Calibration of energy scales for elemental analysis 表面化学分析中等分辨俄歇电子能谱仪元素分析用能量标校准
	GB 55021-2021 General Code for Appraisal and Reinforcement of Existing Buildings 既有建筑鉴定与加固通用规范
	GB 55022-2021 [General code for maintenance and renovation of existing buildings] 既有建筑维护与改造通用规范
	GB/T 11066.11-2021 Methods for chemical analysis of gold-Part 11:Determination of magnesium，chromium，manganese，iron，nickel copper，palladium，silver，tin，antimony，lead and bismuth contents-Inductively coupled plasma mass spectrometry 金化学分析方法第11部分：镁、铬、锰、铁、镍、铜、钯、银、锡、锑、铅和铋含量的测定电感耦合等离子体质谱法
	GB/T 40083-2021 Technical requirements for online monitoring of energy consumption of building materials industry 建筑材料行业能耗在线监测技术要求
	GB/T 31428-2021 Vocabulary relating to coal chemical technology 煤化工术语
	GB/T 41038-2021 Energy consumption efficiency evaluation method for entrained-flow coal-water slurry gasification 气流床水煤浆气化能效计算方法
	GB/T 39972-2021 Technical specification of‘Inteplan’information system for implementation and supervision of spatial planning 国土空间规划“一张图”实施监督信息系统技术规范
	GB/T 40713-2021 General technical requirements for complete sets of building ceramics production equipment 建筑陶瓷生产成套装备通用技术要求
	GB/T 39866-2021 Technical requirement of appendent frame for window and door in building 建筑门窗附框技术要求
	GB/T 38265.13-2021 Test methods for soft soldering fluxes—Part 13: Determination of flux spattering 软钎剂试验方法第13部分：钎剂溅散性的测定
	GB/T 41138-2021 Product quality information system -- Information classification, sharing and exchange 产品质量信息系统信息分类与共享交换

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