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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 "M" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 20975.5-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 5:Determination of silicon content
    铝及铝合金化学分析方法 第5部分:硅含量的测定
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    GB/T 20975.7-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content
    铝及铝合金化学分析方法 第7部分:锰含量的测定
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    GB/T 20975.9-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry
    铝及铝合金化学分析方法 第9部分:锂含量的测定 火焰原子吸收光谱法
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    GB/T 20975.10-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 10:Determination of tin content
    铝及铝合金化学分析方法 第10部分:锡含量的测定
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    GB/T 20975.12-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 12: Determination of titanium content
    铝及铝合金化学分析方法 第12部分:钛含量的测定
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    GB/T 20975.14-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 14:Determination of nickel content
    铝及铝合金化学分析方法 第14部分:镍含量的测定
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    GB/T 20975.16-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 16:Determination of magnesium content
    铝及铝合金化学分析方法 第16部分:镁含量的测定
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    GB/T 20975.18-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content
    铝及铝合金化学分析方法 第18部分:铬含量的测定
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    GB/T 20975.22-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content
    铝及铝合金化学分析方法 第22部分:铍含量的测定
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    GB/T 20975.24-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 24:Determination of total rare earth content
    铝及铝合金化学分析方法 第24部分:稀土总含量的测定
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    GB/T 20975.25-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Determination of elements content—Inductively coupled plasma atomic emission spectrometric method
    铝及铝合金化学分析方法 第25部分:元素含量的测定 电感耦合等离子体原子发射光谱法
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    GB/T 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method
    铝及铝合金化学分析方法 第35部分:钨含量的测定 硫氰酸盐分光光度法
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    GB/T 20975.36-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry
    铝及铝合金化学分析方法 第36部分:银含量的测定 火焰原子吸收光谱法
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    GB/T 20671.1-2020 Classification systeM and test methods for nonmetallic gasket materials—Part 1:Standard classification system for nonmetallic gasket materials
    非金属垫片材料分类体系及试验方法 第1部分:非金属垫片材料分类体系
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    GB/T 20671.3-2020 Classification systeM and test methods for nonmetallic gasket materials—Part 3: Standard test method for fluid resistance of gasket materials
    非金属垫片材料分类体系及试验方法 第3部分:垫片材料耐液性试验方法
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    GB/T 20671.5-2020 Classification systeM and test methods for nonmetallic gasket materials—Part 5: Standard test method for creep relaxation of gasket materials
    非金属垫片材料分类体系及试验方法 第5部分:垫片材料蠕变松弛率试验方法
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    GB/T 20671.6-2020 Classification systeM and test methods for nonmetallic gasket materials—Part 6: Standard test method for adhesion of gasket materials to metal surfaces
    非金属垫片材料分类体系及试验方法 第6部分:垫片材料与金属表面黏附性试验方法
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    GB/T 19823-2020 TherMal spraying — Procedures for the application of thermally sprayed coatings for engineering components
    热喷涂 工程零件热喷涂涂层的应用步骤
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    GB/T 20111.5-2020 Electrical insulation systeMs—Procedures for thermal evaluation—Part 5: Applications with a designed life of 5000h or less
    电气绝缘系统 热评定规程 第5部分:设计寿命5000h及以下的应用
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    GB/T 18930-2020 TerMinology for refractories
    耐火材料术语
    China National Standards
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    GB/T 18569.2-2020 Safety of Machinery—Reduction of risks to health resulting from hazardous substances emitted by machinery—Part 2: Methodology leading to verification procedures
    机械安全 减小由机械排放的有害物质对健康的风险 第2部分:生成验证流程的方法
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    GB/T 18569.1-2020 Safety of Machinery—Reduction of risks to health resulting from hazardous substances emitted by machinery—Part 1: Principles and specifications for machinery manufacturers
    机械安全 减小由机械排放的有害物质对健康的风险 第1部分:用于机械制造商的原则和规范
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    GB/T 17360-2020 Microbeam analysis—Method of quantitative determination for low contents of silicon and manganese in steels using electron probe microanalyzer
    微束分析 钢中低含量硅、锰的电子探针定量分析方法
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    GB/T 16546-2020 General rules for packing, Marking, transport, storage and quality certificates of shaped refractory
    定形耐火材料包装、标志、运输、储存和质量证明书的一般规定
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    GB/T 15579.10-2020 Arc welding equipMent—Part 10:Electromagnetic compatibility (EMC) requirements
    弧焊设备 第10部分:电磁兼容性(EMC)要求
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    GB/T 15545-2020 General rules for packing, Marking, transport, storage and quality certificates of unshaped refractory
    不定形耐火材料包装、标志、运输、储存和质量证明书的一般规定
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    GB/T 15468-2020 FundaMental technical requirements for hydraulic turbines
    水轮机基本技术条件
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    GB/T 38880-2020E Technical specification of children Mask
    儿童口罩技术规范(英文版)
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    GB/T 15343-2020 Methods for chemical analysis of talc
    滑石化学分析方法
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    GB/T 14598.301-2020 Technical requireMents for power system continuous recorder
    电力系统连续记录装置技术要求
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    GB/T 14563-2020 Specification and test Method of kaolin clay
    高岭土及其试验方法
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    GB/T 14513.3-2020 PneuMatic fluid power—Determination of flow-rate characteristics of components using compressible fluids—Part 3:Method for calculating steady-state flow-rate characteristics of systems
    气动 使用可压缩流体元件的流量特性测定 第 3 部分:系统稳态流量特性的计算方法
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    GB/T 13912-2020 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods
    金属覆盖层 钢铁制件热浸镀锌层 技术要求及试验方法
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    GB/T 12967.1-2020 Test Methods for anodic oxidation coatings and organic polymer coatings of aluminium and aluminium alloys―Part 1: Measurement of abrasion resistance
    铝及铝合金阳极氧化膜及有机聚合物膜检测方法 第1部分:耐磨性的测定
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    GB/T 11376-2020 Metallic and other inorganic coatings—Phosphate conversion coating of metals
    金属及其他无机覆盖层 金属的磷化膜
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    GB/T 9771.6-2020 Single-Mode optical fibres for telecommunication—Part 6: Characteristics of a fibre with non-zero dispersion for wideband optical transport
    通信用单模光纤 第6部分:宽波长段光传输用非零色散单模光纤特性
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    GB/T 9771.5-2020 Single-Mode optical fibres for telecommunication—Part 5: Characteristics of a non-zero dispersion shifted single-mode optical fibre
    通信用单模光纤 第5部分:非零色散位移单模光纤特性
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    GB/T 9771.4-2020 Single-Mode optical fibres for telecommunication—Part 4: Characteristics of a dispersion shifted single-mode optical fibre
    通信用单模光纤 第4部分:色散位移单模光纤特性
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    GB/T 9771.3-2020 Single-Mode optical fibres for telecommunication—Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre
    通信用单模光纤 第3部分:波长段扩展的非色散位移单模光纤特性
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    GB/T 9771.2-2020 Single-Mode optical fibres for telecommunication—Part 2: Characteristics of a cut-off wavelength shifted single-mode optical fibre
    通信用单模光纤 第2部分:截止波长位移单模光纤特性
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    GB/T 9771.1-2020 Single-Mode optical fibres for telecommunication—Part 1: Characteristics of a dispersion unshifted single-mode optical fibre
    通信用单模光纤 第1部分:非色散位移单模光纤特性
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    GB/T 39084-2020 Green product assessMent-Packings for express service
    绿色产品评价 快递封装用品
    China National Standards
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    GB/T 39083-2020 Specification of express service payMent information exchange
    快递服务支付信息交换规范
    China National Standards
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    GB/T 39002-2020 Guidance on individual dining systeM in catering service
    餐饮分餐制服务指南
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    GB 4789.4-2016 National food safety standard -Microbiological examination of food-Examination of salmonella
    食品安全国家标准 食品微生物学检验 沙门氏菌检验
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    GB/T 8763-2020 Test Methods for gas absorption characteristic of non-evaporation gettering materials and products
    非蒸散型吸气材料及制品吸气性能测试方法
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    GB/T 8704.6-2020 FerrovanadiuM—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method
    钒铁 硅含量的测定 硫酸脱水重量法和硅钼蓝分光光度法
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    GB/T 8704.5-2020 FerrovanadiuM—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method
    钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法
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    GB/T 8704.10-2020 FerrovanadiuM—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickel and titanium contents— Inductively coupled plasma atomic emission spectrometric method
    钒铁 硅、锰、磷、铝、铜、铬、镍、钛含量的测定 电感耦合等离子体原子发射光谱法
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    GB/T 8454-2020 Reduced ilMenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method
    焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法
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    GB/T 8423.6-2020 PetroleuM and natural gas industries terminology—Part 6:Safety and environmental protection and energy conservation
    石油天然气工业术语 第6部分:安全环保节能
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    GB/T 7920.9-2020 Earth-Moving machinery—Graders—Terminology and commercial specifications
    土方机械 平地机 术语和商业规格
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    GB/T 6770-2020 Special safety regulations for driver’s cabs of locoMotives
    机车司机室特殊安全规则
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    GB/T 6730.82-2020 Iron ores—DeterMination of barium content—EDTA titrimetric method
    铁矿石 钡含量的测定 EDTA滴定法
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    GB/T 6730.81-2020 Iron ores—DeterMination of multiple trace elements—Inductively coupled plasma mass spectrometric method
    铁矿石 多种微量元素含量的测定 电感耦合等离子体质谱法
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    GB/T 5687.12-2020 FerrochroMium—Determination of phosphorus, aluminum, titanium, copper, manganese, calcium content—Inductively coupled plasma atomic emission spectrometric method
    铬铁 磷、铝、钛、铜、锰、钙含量的测定 电感耦合等离子体原子发射光谱法
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    GB/T 5252-2020 Test Method for dislocation density of monocrystal germanium
    锗单晶位错密度的测试方法
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    GB/T 5226.7-2020 Electrical safety of Machinery—Electrical equipment of machines—Part 7: Requirements of industrial robot
    机械电气安全 机械电气设备 第7部分:工业机器人技术条件
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    GB/T 4461-2020 TherMostat metal strip
    热双金属带材
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    GB/T 2900.103-2020 Electrotechnical terMinology—Generation,transmission and distribution of electrical energy—Dependability and quality of service of electric power systems
    电工术语 发电、输电及配电 电力系统可信性及服务质量
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    GB/T 2900.102-2020 Electrotechnical terMinology—Active assisted living
    电工术语 积极辅助生活
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    GB/T 2889.6-2020 Plain bearings—TerMs, definitions, classification and symbols—Part 6:Abbreviated terms
    滑动轴承 术语、定义、分类和符号 第6部分:缩略语
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    GB/T 2423.51-2020 EnvironMental testing—Part 2: Test methods—Test Ke: Flowing mixed gas corrosion test
    环境试验 第2部分:试验方法 试验Ke:流动混合气体腐蚀试验
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    GB/T 2423.27-2020 EnvironMental testing—Part 2: Test methods—Test method and guidance: Combined temperature or temperature and humidity with low air pressure tests
    环境试验 第2部分:试验方法 试验方法和导则:温度/低气压或温度/湿度/低气压综合试验
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    GB/T 2421-2020 EnvironMental testing—General and guidance
    环境试验 概述和指南
    China National Standards
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    GB/T 244-2020 Metallic material—Tube—Bend test method
    金属材料 管 弯曲试验方法
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    GB/T 223.37-2020 Iron, steel and alloy—DeterMination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
    钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法
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    GB 24500-2020 Minimum allowable values of energy efficiency and energy efficiency grades of industrial boilers
    工业锅炉能效限定值及能效等级
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    GB 24155-2020 Safety specifications for electric Motorcycles and electric mopeds
    电动摩托车和电动轻便摩托车安全要求
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    GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
    电力变压器能效限定值及能效等级
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    GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan
    通风机能效限定值及能效等级
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    GB 18613-2020 Minimum allowable values of energy efficiency and values of efficiency grades for motors
    电动机能效限定值及能效等级
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    GB 9706.203-2020 Medical electrical equipment—Part 2-3: Particular requirements for the basic safety and essential performance of short-wave therapy equipment
    医用电气设备 第2-3部分:短波治疗设备的基本安全和基本性能专用要求
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    GB 7300.203-2020 Feed additive—Part 2:VitaMins, provitamins and chemically well-defined substances having similar effect—Betaine
    饲料添加剂 第2部分:维生素及类维生素 甜菜碱
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    GB 7300.103-2020 Feed additives—Part 1:AMino acids, their salts and analogues—Methionine hydroxy analogue
    饲料添加剂 第1部分:氨基酸、氨基酸盐及其类似物 蛋氨酸羟基类似物
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    GB/T 18879-2020 Specifications of suMmer toboggan run
    滑道通用技术条件
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    GB 38900-2020 IteMs and methods for safety technology inspection of motor vehicles
    机动车安全技术检验项目和方法
    China National Standards
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    GB/T 50522-2019 Code of construction project Management for nuclear power plants
    核电厂建设工程监理规范
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    GB/T 51420-2020 Code for CoMmissioning and Acceptance of Smart substation
    智能变电站工程调试及验收标准
    China National Standards
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    GB/T 51396-2019 Standard for design of parabolic trough solar therMal power plant
    槽式太阳能光热发电站设计标准
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    GB 4789.1-2016 National food safety standard Food Microbiological examination:General guidelines
    食品安全国家标准 食品微生物学检验 总则
    China National Standards
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    GB/T 38880-2020 Technical specification of children Mask
    儿童口罩技术规范
    China National Standards
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    GB 38032-2020 Electric buses safety requireMents
    电动客车安全要求
    China National Standards
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    GB 38031-2020 Electric vehicles traction battery safety requireMents
    电动汽车用动力蓄电池安全要求
    China National Standards
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    GB 18384-2020 Electric vehicles safety requireMents
    电动汽车安全要求
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    GB/Z 38767-2020 Targeted poverty alleviation—Specification for operation Management of donkey industry project
    精准扶贫 驴产业项目运营管理规范
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    GB/Z 38766-2020 Targeted poverty alleviation—Specification for operation and Management of photovoltaic-agriculture project
    精准扶贫 光伏农业项目运营管理规范
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    GB/Z 38765-2020 Targeted poverty alleviation—Chinese Medicinal materials—Specifications for operation management of Paris polyphylla Smith var.yunnanensis(Franch.)Hand.-Mazz.project
    精准扶贫 中药材 滇重楼产业项目运营管理规范
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    GB/Z 38764-2020 Targeted poverty alleviation—Chinese Medicinal materials—Specifications for operation mangagement of Amomum tsaoko Crevost et Lemarie project
    精准扶贫 中药材 草果产业项目运行管理规范
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    GB/T 38771-2020 General specification of Microwave switch for space application
    宇航用微波开关通用规范
    China National Standards
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    GB/T 38772-2020 Pitch froM coal liquefaction
    煤液化沥青
    China National Standards
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    GB/T 38773-2020 CoMprehensive evaluation method of useage for prevention and control to stored grain pests
    储粮害虫防治技术应用评价方法
    China National Standards
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    GB/T 38768-2020 Highly flexible rubber coupling—Test requireMents and methods
    高弹性橡胶联轴器 试验要求及方法
    China National Standards
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    GB/T 38769-2020 Metallic materials-Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces
    金属材料 预裂纹夏比试样冲击加载断裂韧性的测定
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    GB/T 38770-2020 Spheroidite exaMination and grading for low and medium carbon steels
    低、中碳钢球化组织检验及评级
    China National Standards
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    GB/T 38763-2020 PerManent magnetic couplings—General technical specifications
    永磁联轴器 通用技术规范
    China National Standards
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    GB/T 38761-2020 GeoMetrical product specifications (GPS)—Characteristics and conditions—Definitions
    产品几何技术规范(GPS) 特征和条件 定义
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    GB/T 38762.3-2020 GeoMetrical product specifications (GPS)—Dimensional tolerancing—Part 3: Angular sizes
    产品几何技术规范(GPS) 尺寸公差 第3部分:角度尺寸
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    GB/T 38762.1-2020 GeoMetrical product specifications (GPS)—Dimensional tolerancing—Part 1: Linear sizes
    产品几何技术规范(GPS) 尺寸公差 第1部分:线性尺寸
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    GB/T 38762.2-2020 GeoMetrical product specifications (GPS)—Dimensional tolerancing—Part 2: Dimensions other than linear or angular sizes
    产品几何技术规范(GPS) 尺寸公差 第2部分:除线性、角度尺寸外的尺寸
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