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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "EL" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 34700-2017 Rare earth type sELective catalytic reduction(SCR) denitration catalysts
    稀土型选择性催化还原（SCR）脱硝催化剂    		 China National Standards
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    GB/T 34974.1-2017 Identification cards—Machine readable travEL documents—Part 1: Machine readable passport
    识别卡 机器可读旅行文件 第1部分：机器可读护照    		 China National Standards
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    GB/T 34972-2017 Determination of metal content in gases—InductivELy coupled plasma mass spectrometry method
    电子工业用气体中金属含量的测定 电感耦合等离子体质谱法    		 China National Standards
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    GB/T 10404-2017 General specification for multipolar and two-speed ELectrical resolvers
    多极和双通道旋转变压器通用技术条件    		 China National Standards
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    GB/T 34838-2017 General technical specifications of equipment and installation for ELectronic musical instruments teaching system
    电鸣乐器教学系统配备及安装通用技术规范    		 China National Standards
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    GB/T 34962-2017 Information technology—TELecommunications and information exchange between systems—ProxZzzy for sleeping hosts
    信息技术 系统间远程通信和信息交换 休眠主机代理    		 China National Standards
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    GB/T 14598.27-2017 Measuring rELays and protection equipment—Part 27：Product safety requirements
    量度继电器和保护装置 第27部分：产品安全要求    		 China National Standards
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    GB/T 34872-2017 Technical requirement of hydrogen supply system for proton exchange membrane fuEL cells
    质子交换膜燃料电池供氢系统技术要求    		 China National Standards
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    GB/T 34871-2017 Inspection specification of protection rELay in smart substationt
    智能变电站继电保护检验测试规范    		 China National Standards
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    GB/T 34763-2017 Urea aldehyde slow rELease fertilizer
    脲醛缓释肥料    		 China National Standards
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    GB/T 34834-2017 Acoustics—Framework for calculating a distribution of sound exposure levELs for impulsive sound events for the purposes of environmental noise assessment
    声学 环境噪声评价中脉冲声事件暴露声级分布的计算方法    		 China National Standards
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    GB/T 34924-2017 GuidELines for safety related risk assessment and risk reduction for low voltage equipment
    低压电气设备安全风险评估和风险降低指南    		 China National Standards
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    GB/T 27204-2017 Confromity assessment—GuidELines for determining the duration of management system certification audits
    合格评定 确定管理体系认证审核时间指南    		 China National Standards
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    GB/T 24149.3-2017 Plastics―Polypropylene(PP) compound for automobile―Part 3: Door panEL
    塑料 汽车用聚丙烯（PP）专用料 第3部分：门内板    		 China National Standards
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    GB/T 17226-2017 Hygienic requirements of classroom ventilation in middle and ELementary school
    中小学校教室换气卫生要求    		 China National Standards
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    GB/T 34698-2017 Rubber compounding ingredients—Determination of water soluble substance of silica，precipitated，hydrated—ELectrolytic conductivity method
    橡胶配合剂 沉淀水合二氧化硅水可溶物含量的测定 电导率法    		 China National Standards
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    GB/T 34840.1-2017 Information and documentation—Principles and functional requirements for records in ELectronic office environments—Part 1:Overview and statement of principles
    信息与文献 电子办公环境中文件管理原则与功能要求 第1部分: 概述和原则    		 China National Standards
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    GB/T 16895.28-2017 Low-voltage ELectrical installations—Part 7-714:Requirements for special installations or locations—External lighting installations
    低压电气装置 第7-714 部分：特殊装置或场所的要求 户外照明装置    		 China National Standards
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    GB/T 34991-2017 12.5kHz TDMA channEL based professional digital trunking communication system—Technical specifications for physical layer and data link layer of air interface
    基于12.5kHz信道的时分多址（TDMA）专用数字集群通信系统 空中接口物理层及数据链路层技术规范    		 China National Standards
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    GB/T 34992-2017 12.5kHz TDMA channEL based professional digital trunking communication system—Technical specifications for call control layer of air interface
    基于12.5kHz信道的时分多址（TDMA）专用数字集群通信系统 空中接口呼叫控制层技术规范    		 China National Standards
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    GB/T 34910.2-2017 GuidELines for marine renewable energy resources survey and assessment—Part 2: Tidal energy
    海洋可再生能源资源调查与评估指南 第2部分: 潮汐能    		 China National Standards
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    GB/T 34910.1-2017 GuidELines for marine renewable energy resources survey and assessment-Part 1: General
    海洋可再生能源资源调查与评估指南 第1部分：总则    		 China National Standards
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    GB/T 34910.4-2017 GuidELines for marine renewable energy resources survey and assessment—Part 4: Marine current
    海洋可再生能源资源调查与评估指南 第4部分: 海流能    		 China National Standards
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    GB 34660-2017 Road vehicles—Requirements and test methods of ELectromagnetic compatibility
    道路车辆 电磁兼容性要求和试验方法    		 China National Standards
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    GB 34659-2017 Requirements and test methods rELating to the spray-suppression systems of motor vehicles and their trailers
    汽车和挂车防飞溅系统性能要求和测量方法    		 China National Standards
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    GB/T 6496-2017 Test method of aerospace solar cELls calibration
    航天用太阳电池标定方法    		 China National Standards
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    GB/T 34650-2017 Full face tunnEL boring machine—Safety requirements of shield machine
    全断面隧道掘进机 盾构机安全要求    		 China National Standards
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    GB/T 34651-2017 Full face tunnEL boring machine—Earth pressure balance shield machine
    全断面隧道掘进机 土压平衡盾构机    		 China National Standards
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    GB/T 34652-2017 Full face tunnEL boring machine—Open type hard rock tunnel boring machine
    全断面隧道掘进机 敞开式岩石隧道掘进机    		 China National Standards
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    GB/T 34653-2017 Full face tunnEL boring machine—Single shield hard rock tunnel boring machine
    全断面隧道掘进机 单护盾岩石隧道掘进机    		 China National Standards
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    GB/T 34354-2017 Full face tunnEL boring machine—Terms and commercial specification
    全断面隧道掘进机 术语和商业规格    		 China National Standards
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    GB/T 12690.5-2017 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 5: Determination of cobalt,manganese,lead,nickEL,copper,zinc,aluminum,chromium,magnesium,cadmium,vanadium and iron contents
    稀土金属及其氧化物中非稀土杂质化学分析方法 第5部分：钴、锰、铅、镍、铜、锌、铝、铬、镁、镉、钒、铁量的测定    		 China National Standards
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    GB/T 34336-2017 Reinforced nanoporous aerogEL products for thermal insulation
    纳米孔气凝胶复合绝热制品    		 China National Standards
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    GB/T 34331-2017 Test method of Cucumber green mottle mosaic virus by transmission ELectron microscopy
    黄瓜绿斑驳花叶病毒透射电子显微镜检测方法    		 China National Standards
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    GB/T 34554-2017 Test method of structural adhesion rELiability for building glass curtain wall
    建筑玻璃幕墙粘接结构可靠性试验方法    		 China National Standards
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    GB/T 34329-2017 General requirements of fiber reinforced plastics pressure vessEL
    纤维增强塑料压力容器通用要求    		 China National Standards
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    GB/T 34478-2017 Determination of anti-slip coefficient at bolted connect steEL plates’ surfaces
    钢板栓接面抗滑移系数的测定    		 China National Standards
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    GB/T 5237.3-2017 Wrought aluminium alloy extruded profiles for architecture—Part 3：ELectrodeposition coating profiles
    铝合金建筑型材 第3部分：电泳涂漆型材    		 China National Standards
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    GB/T 6730.76-2017 Iron ores—Determination of potassium, sodium, vanadium, copper, zinc, lead, chromium, nickEL, cobalt elements—Inductively coupled plasma optical emission spectrometry
    铁矿石 钾、钠、钒、铜、锌、铅、铬、镍、钴含量的测定 电感耦合等离子体发射光谱法    		 China National Standards
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    GB/T 34471.2-2017 ELastic alloys—Part 2: Constant elastic alloys
    弹性合金 第2部分：恒弹性合金    		 China National Standards
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    GB/T 34472-2017 General technical requirements of stainless steEL for building curtain wall
    建筑幕墙用不锈钢通用技术条件    		 China National Standards
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    GB/T 34484.1-2017 Heat-treatable steELs—Part 1: Non-alloy steels
    热处理钢 第1部分：非合金钢    		 China National Standards
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    GB/T 34560.5-2017 Structural steELs—Part 5: Technical delivery condition for atmospheric corrosion resisting steels
    结构钢 第5部分：耐大气腐蚀结构钢交货技术条件    		 China National Standards
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    GB/T 34560.1-2017 Structural steELs—Part 1: General technical delivery condition for hot-rolled products
    结构钢 第1部分：热轧产品一般交货技术条件    		 China National Standards
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    GB/T 34564.1-2017 Cold-word mould steEL—Part 1: High toughness and wear-resistance steels
    冷作模具钢 第1部分：高韧性高耐磨性钢    		 China National Standards
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    GB/T 34475-2017 Urea grade austenitic stainless steEL bars
    尿素级奥氏体不锈钢棒    		 China National Standards
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    GB/T 4223-2017 Iron and steEL scraps
    废钢铁    		 China National Standards
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    GB/T 34566-2017 Hot stamping steEL sheet and strip for automobile
    汽车用热冲压钢板及钢带    		 China National Standards
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    GB/T 34564.2-2017 Cold-work mould steEL—Part 2: Flame quenchable steels
    冷作模具钢 第2部分：火焰淬火钢    		 China National Standards
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    GB/T 34567-2017 Cold-formed corrugated steEL pipes
    冷弯波纹钢管    		 China National Standards
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    GB/T 34474.1-2017 Determination of banded structure of steEL—Part1：Micrographic method using standards diagrams
    钢中带状组织的评定 第1部分：标准评级图法    		 China National Standards
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    GB/T 34560.4-2017 Structural steELs—Part 4：Technical delivery conditions for high yield strength quenched and tempered structural steel plates
    结构钢 第4部分：淬火加回火高屈服强度结构钢板交货技术条件    		 China National Standards
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    GB/T 34560.6-2017 Structural steELs—Part 6: Technical delivery conditions for seismic-improved structural steels for building
    结构钢 第6部分：抗震型建筑结构钢交货技术条件    		 China National Standards
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    GB/T 34560.2-2017 Structural steELs—Part 2: Technical delivery conditions for structural steels for general purposes
    结构钢 第2部分：一般用途结构钢交货技术条件    		 China National Standards
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    GB/T 34585-2017 Battery ELectric goods vehicles—Specifications
    纯电动货车 技术条件    		 China National Standards
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    GB/T 34606-2017 Evaluation method of overall energy-saving performance of building envELope
    建筑围护结构整体节能性能评价方法    		 China National Standards
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    GB/T 34607-2017 Performance assessment of the desulfurization equipment and dust collector for sintering flue gas from iron and steEL industry
    钢铁烧结烟气脱硫除尘装备运行效果评价技术要求    		 China National Standards
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    GB/T 34449-2017 Modularization design for household and similar ELectrical appliances—Guideline for washing machine
    家用和类似用途电器的模块化 洗衣机设计导则    		 China National Standards
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    GB/T 12105-2017 General technical requirements of ELectronic keyboards
    电子琴通用技术条件    		 China National Standards
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    GB/T 12106-2017 Requirements and methods of environmental test for ELectronic keyboards
    电子琴的环境试验要求和试验方法    		 China National Standards
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    GB/T 34590.6-2017 Road vehicles—Functional safety—Part 6: Product devELopment at the software level
    道路车辆 功能安全 第6部分：产品开发：软件层面    		 China National Standards
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    GB 20802-2017 Feed additive-Cupric methionine complex (chELate)
    饲料添加剂 蛋氨酸铜络(螯)合物    		 China National Standards
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    GB/T 34346-2017 GuidELines for risk based safety hazard classification of oil and gas pipelines
    基于风险的油气管道安全隐患分级导则    		 China National Standards
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    GB/T 34353-2017 Earth-moving machinery－Machine-control systems (MCS) using ELectronic components－Performance criteria and tests for functional safety
    土方机械 应用电子器件的机器控制系统(MCS) 功能性安全的性能准则和试验    		 China National Standards
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    GB/T 34349-2017 External inspection methodology for internal corrosion of natural gas pipELines
    输气管道内腐蚀外检测方法    		 China National Standards
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    GB/T 34590.4-2017 Road vehicles—Functional safety—Part 4: Product devELopment at the system level
    道路车辆 功能安全 第4部分：产品开发：系统层面    		 China National Standards
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    GB/T 34590.9-2017 Road vehicles—Functional safety—Part 9: Automotive Safety Integrity LevEL (ASIL)-oriented safety-oriented and analyses
    道路车辆 功能安全 第9部分：以汽车安全完整性等级为导向和以安全为导向的分析    		 China National Standards
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    GB/T 34598-2017 Plug-in hybrid ELectric commercial vehicles—Specifications
    插电式混合动力电动商用车 技术条件    		 China National Standards
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    GB 22489-2017 Feed additive―Manganese methionine complex (chELate)
    饲料添加剂 蛋氨酸锰络(螯)合物    		 China National Standards
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    GB/T 34350-2017 External inspection methodology for internal corrosion of liquid petroleum pipELines
    输油管道内腐蚀外检测方法    		 China National Standards
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    GB/T 34590.5-2017 Road vehicles—Functional safety—Part 5: Product devELopment at the hardware level
    道路车辆 功能安全 第5部分：产品开发：硬件层面    		 China National Standards
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    GB/T 34590.10-2017 Road vehicles—Functional safety—Part 10: GuidELine
    道路车辆 功能安全 第10部分：指南    		 China National Standards
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    GB/T 10574.13-2017 Methods for chemical analysis of tin-lead solders—Part 13：Determination of antimony,bismuth,iron,arsenic,copper,silver,zinc,aluminium,cadmium,phosphorous and gold contents—InductivELy coupled plasma atomic emission spectrometric method
    锡铅焊料化学分析方法 第13部分：锑、铋、铁、砷、铜、银、锌、铝、镉、磷和金量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 21451.3-2017 Petroleum and liquid petroleum products—Measurement of levEL and temperture in storage tanks by automatic methods—Part 3:Measurement of level in pressurized tanks(non-refrigerated)
    石油和液体石油产品 储罐中液位和温度自动测量法 第3部分：带压罐（非冷冻）中的液位测量    		 China National Standards
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    GB/T 34533-2017 Measurement of hELium porosity and pulse decay permeability of shale
    页岩氦气法孔隙度和脉冲衰减法渗透率的测定    		 China National Standards
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    GB/T 7631.18-2017 Lubricants,industrial oils and rELated products(class L)—Classification—Part 18:Family Y(Miscellaneous)
    润滑剂、工业用油和有关产品（L类）的分类 第18部分：Y组（其他应用）    		 China National Standards
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    GB/T 34375-2017 RELiability assessment method of NC ship plate bending machine
    数控船用卷板机可靠性评定方法    		 China National Standards
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    GB/T 20909-2017 SteEL windows and doors
    钢门窗    		 China National Standards
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    GB/T 34529-2017 Cranes and hoists—SELection of wire ropes,drums and sheaves
    起重机和葫芦 钢丝绳、卷筒和滑轮的选择    		 China National Standards
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    GB/T 34531-2017 Periodic inspection and evaluation of liquefied dimethyl ether steEL cylinders
    液化二甲醚钢瓶定期检验与评定    		 China National Standards
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    GB/T 34537-2017 Hydrogen and compressed natural gas (HCNG) blended as vehicle fuEL
    车用压缩氢气天然气混合燃气    		 China National Standards
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    GB/T 34535-2017 Lubricants, industrial oils and rELated products(Class L)—Family X(Grease)—Specification
    润滑剂、工业用油和有关产品(L类) X组(润滑脂) 规范    		 China National Standards
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    GB/T 21451.6-2017 Petroleum and liquid petroleum products—Measurement of levEL and temperature in storage tanks by automatic methods—Part 6: Measurement of temperature in pressurized storage tanks (non-refrigerated)
    石油和液体石油产品 储罐中液位和温度自动测量法 第6部分：带压罐（非冷冻）中的温度测量    		 China National Standards
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    GB/T 34543-2017 YELlow diamond grading
    黄色钻石分级    		 China National Standards
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    GB/T 34500.1-2017 Chemical analysis methods for rare earth residue and waste water—Part 1：Determination of fluorine content—Ion sELective electrode analysis
    稀土废渣、废水化学分析方法 第1部分：氟离子量的测定 离子选择电极法    		 China National Standards
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    GB/T 34500.4-2017 Chemical analysis methods for rare earth waste residue and waste water—Part 4: Determination of copper, zinc, lead, chromium, cadmium, barium, cobalt, manganese, nickEL and titanium contents—Inductively coupled plasma emission spectrometry
    稀土废渣、废水化学分析方法 第4部分：铜、锌、铅、铬、镉、 钡、钴、锰、镍、钛量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 34680.3-2017 Evaluation modEL and general evaluation indicator system for smart cities—Part 3：Information resources
    智慧城市评价模型及基础评价指标体系 第3部分：信息资源    		 China National Standards
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    GB/T 34678-2017 Smart city—Technical reference modEL
    智慧城市 技术参考模型    		 China National Standards
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    GB/T 34381-2017 Evaluation method for rELiability on CNC turret punch press
    数控回转头压力机可靠性评定方法    		 China National Standards
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    GB/T 34390-2017 SELf-propelled straw harvester and rectangular baler
    自走式秸秆收获方捆压捆机    		 China National Standards
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    GB/Z 34541-2017 Safety operation management regulation for hydrogen fuELing facilities of hydrogen vehicles
    氢能车辆加氢设施安全运行管理规程    		 China National Standards
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    GB/T 34544-2017 Safety test methods for onboard low pressure hydrogen storage devices for small fuEL cell vehicles
    小型燃料电池车用低压储氢装置安全试验方法    		 China National Standards
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    GB/T 8152.13-2017 Methods for chemical analysis of lead concentrates—Part 13：Determination of thallium content—InductivELy coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry
    铅精矿化学分析方法 第13部分：铊量的测定 电感耦合等离子体质谱法和电感耦合等离子体-原子发射光谱法    		 China National Standards
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    GB/T 8151.21-2017 Methods for chemical analysis of zinc concentrates—Part 21：Determination of thallium content—InductivELy coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry
    锌精矿化学分析方法 第21部分：铊量的测定 电感耦合等离子体质谱法和电感耦合等离子体-原子发射光谱法    		 China National Standards
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    GB/T 34680.1-2017 Evaluation modEL and general evaluation indicator system for smart cities—Part 1: General framework and requirements for developing evaluation sub-indicators
    智慧城市评价模型及基础评价指标体系 第1部分：总体框架及分项评价指标制定的要求    		 China National Standards
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    GB/T 34583-2017 Safety technical requirements for hydrogen storage devices used in hydrogen fuELling station
    加氢站用储氢装置安全技术要求    		 China National Standards
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    GB/T 34584-2017 Safety technical regulations for hydrogen refuELing station
    加氢站安全技术规范    		 China National Standards
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    GB/T 34565.1-2017 Hot work mould steEL—Part 1: Steels for casting mould
    热作模具钢 第1部分：压铸模具用钢    		 China National Standards
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    GB/T 34426.1-2017 Marine boilers and pressure vessELs—Part 1：Performance requirements
    船用锅炉及压力容器 第1部分：性能要求    		 China National Standards
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    GB/T 34425-2017 FuEL cell electric vehicles—Hydrogen refuelling nozzle
    燃料电池电动汽车 加氢枪    		 China National Standards
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