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	GB/T 25915.2-2021 Cleanrooms and associated controlled environments—Part 2: Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration 洁净室及相关受控环境第2部分：洁净室空气粒子浓度的监测 - 英文版
	GB/T 25915.1-2021 Cleanrooms and associated controlled environments—Part 1: Classification of air cleanliness by particle concentration 洁净室及相关受控环境第1部分：按粒子浓度划分空气洁净度等级 - 英文版
	GB/T 25915.10-2021 Cleanrooms and associated controlled environments—Part 10: Classification of surface cleanliness by chemical concentration 洁净室及相关受控环境第10部分：按化学物浓度划分表面洁净度等级 - 英文版
	GB/T 25015-2021 Ships and marine technology—Ship-shifting winches 船舶和海洋技术移船绞车 - 英文版
	GB/T 24524-2021 Metallic materials—Sheet and strip—Hole expanding test 金属材料薄板和薄带扩孔试验方法 - 英文版
	GB/T 24488-2021 Test method for electrochemical properties of magnesium alloys sacrificial anode 镁合金牺牲阳极电化学性能测试方法 - 英文版
	GB/T 24402-2021 General quality requirements for canned frying mud carps 鲮鱼罐头质量通则 - 英文版
	GB/T 24347-2021 DC/DC converter for electric vehicles 电动汽车DC/DC变换器 - 英文版
	GB/T 24311-2021 Plywood for foldable packing case 组合式包装箱用胶合板 - 英文版
	GB/T 24183-2021 Metallic materials—Sheet and Strip—Earing test 金属材料薄板和薄带制耳试验方法 - 英文版
	GB/T 23957-2021 Light calcium carbonate for tooth-paste industry 牙膏工业用轻质碳酸钙 - 英文版
	GB/T 23940-2021 Analytical methods of persulfate products for industrial use 工业过硫酸盐产品的分析方法 - 英文版
	GB/T 23108-2021 Methods for measuring performance for household and similar electric heating pads 家用和类似用途电热垫性能测试方法 - 英文版
	GB/T 22778-2021 Liquid crystal digital quartz stopwatches 液晶数字式石英秒表 - 英文版
	GB/T 22616-2021 Fenoxaprop-P-ethyl 精噁唑禾草灵 - 英文版
	GB/T 22590-2021 Refractory castables for rolling mill reheating furnace 轧钢加热炉用耐火浇注料 - 英文版
	GB/T 22485-2021 Specification for taxi operation service 出租汽车运营服务规范 - 英文版
	GB/T 22209-2021 Marine no-asbestos fiber reinforced rubber gasket material 船用无石棉纤维增强橡胶垫片材料 - 英文版
	GB/T 20899.6-2021 Methods for chemical analysis of gold ores—Part 6: Determination of zinc content 金矿石化学分析方法第6部分：锌量的测定 - 英文版
	GB/T 20899.5-2021 Methods for chemical analysis of gold ores—Part 5: Determination of lead content 金矿石化学分析方法第5部分：铅量的测定 - 英文版
	GB/T 20899.4-2021 Methods for chemical analysis of gold ores—Part 4: Determination of copper content 金矿石化学分析方法第4部分：铜量的测定 - 英文版
	GB/T 20829-2021 Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships 船舶固定式气溶胶灭火系统性能要求和试验方法 - 英文版
	GB/T 20728-2021 Measurement of fluid flow in closed conduits—Guidance to the selection, installation and use of Coriolis flowmeters 封闭管道中流体流量的测量科里奥利流量计的选型、安装和使用指南 - 英文版
	GB/T 20485.43-2021 Methods for the calibration of vibration and shock transducers—Part 32: Resonance testing—Testing the frequency and the phase response of accelerometers by means of shock excitation 振动与冲击传感器校准方法第43部分: 基于模型参数辨识的加速度计校准 - 英文版
	GB/T 20485.32-2021 Methods for the calibration of vibration and shock transducers—Part 32: Resonance testing—Testing the frequency and the phase response of accelerometers by means of shock excitation 振动与冲击传感器校准方法第32部分：谐振测试用冲击激励测试加速度计的频率和相位响应 - 英文版
	GB/T 20473-2021 Dry-mixed thermal insulating mortar for buildings 建筑保温砂浆 - 英文版
	GB/T 18451.2-2021 Wind turbines—Power performance measurements of electricity producing 风力发电机组功率特性测试 - 英文版
	GB/T 18248-2021 Seamless steel tubes for gas cylinder 气瓶用无缝钢管 - 英文版
	GB/T 17906-2021 Fire emergency rescue equipment—General technical specifications for hydraulically operated rescue tools 消防应急救援装备液压破拆工具通用技术条件 - 英文版
	GB/T 17850.9-2021 Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 9: Staurolite 涂覆涂料前钢材表面处理喷射清理用非金属磨料的技术要求第9部分：十字石 - 英文版
	GB/T 17794-2021 Preformed flexible elastomeric foam thermal insulation 柔性泡沫橡塑绝热制品 - 英文版
	GB/T 17765-2021 Terminology of aids to navigation 航标术语 - 英文版
	GB/T 17564.6-2021 Standard data element types with associated classification scheme for electric components—Part 6: IEC Common Data Dictionary (IEC CDD) quanlity guidelines 电气元器件的标准数据元素类型和相关分类模式第6部分：IEC公共数据字典（IEC CDD）质量指南 - 英文版
	GB/T 16983-2021 Chemical reagent -- Dichloromethane 化学试剂二氯甲烷 - 英文版
	GB/T 16838-2021 Environmental test and severities for fire electronic products 消防电子产品环境试验方法及严酷等级 - 英文版
	GB/T 15972.31-2021 Specifications for optical fibre test methods—Part 31: Measurement methods and test procedures for mechanical characteristics—Tensile strength 光纤试验方法规范第31部分：机械性能的测量方法和试验程序抗张强度 - 英文版
	GB/T 15970.10-2021 Corrosion of metals and alloys—Stress corrosion testing—Part l0: Reverse U-bend method 金属和合金的腐蚀应力腐蚀试验第10部分：反向U型弯曲试验方法 - 英文版
	GB/T 15969.9-2021 Programmable controllers—Part 9: Single-drop digital communication interface for small sensors and actuators (SDCI) 可编程序控制器第9部分：用于小型传感器和执行器的单点数字通信接口(SDCI) - 英文版
	GB/T 15901-2021 Chemical reagent—Copper（Ⅱ） chloride dihydrate 化学试剂二水合氯化铜（氯化铜） - 英文版
	GB/T 15899-2021 Chemical reagent—Manganese sulfate monohydrate 化学试剂一水合硫酸锰（硫酸锰） - 英文版
	GB/T 15895-2021 Chemical reagent—1,2-Dichloroethane 化学试剂 1,2-二氯乙烷 - 英文版
	GB/T 15728-2021 Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification 玻璃耐沸腾盐酸侵蚀性的重量试验方法和分级 - 英文版
	GB/T 15726-2021 Glassware一Stress examination methods 玻璃仪器内应力检验方法 - 英文版
	GB/T 15596-2021 Plastics—Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources 塑料在玻璃过滤后太阳辐射、自然气候或实验室辐射源暴露后颜色和性能变化的测定 - 英文版
	GB/T 15382-2021 General specifications of gas cylinder valves 气瓶阀通用技术要求 - 英文版
	GB/T 15224.2-2021 Classification for quality of coal—Part 2: Sulfur content 煤炭质量分级第2部分：硫分 - 英文版
	GB/T 15104-2021 Decorative veneered wood-based panel 装饰单板贴面人造板 - 英文版
	GB/T 15078-2021 Testing method for contact resistance of precious metals electrical contact materials 贵金属电触点材料接触电阻的测量方法 - 英文版
	GB/T 14949.2-2021 Manganese ores—Determination of nickel content—Flame atomic absorption spectrometric method 锰矿石镍含量的测定火焰原子吸收光谱法 - 英文版
	GB/T 14949.11-2021 Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption method 锰矿石碳含量的测定重量法和红外线吸收法 - 英文版

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