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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 "At" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 39083-2020 SpecificAtion of express service payment information exchange
    快递服务支付信息交换规范
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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/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/T 38949-2020 DeterminAtion of pore size for porous membranes—Standard particle method
    多孔膜孔径的测定 标准粒子法
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    GB/T 38948-2020 EvaluAtion method for the cracking resistance of asphalt mixture at low temperature
    沥青混合料低温抗裂性能评价方法
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    GB/T 38947-2020 Magnetic flux density test method for magnetic separAtors
    磁选设备磁感应强度检测方法
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    GB/T 38917-2020 High temperAture titanium alloy bars for aerospace
    航空航天用高温钛合金棒材
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    GB/T 38916-2020 High temperAture titanium alloy plate and sheet for aerospace
    航空航天用高温钛合金板材
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    GB/T 38915-2020 High temperAture titanium alloy forgings for aerospace
    航空航天用高温钛合金锻件
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    GB/T 38913-2020 Test methods for hydride orientAtion fraction of nuclear grade zirconium and zirconium alloy tubes
    核级锆及锆合金管材氢化物取向因子检测方法
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    GB/T 38912-2020 Test method for closed-end burst of zirconium tubes At room temperature
    锆管室温闭端爆破试验方法
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    GB/T 38908-2020 Test methods of chlorine resistance performance of household reverse osmosis and nanofiltrAtion membrane elements
    家用反渗透及纳滤膜元件耐氯性测试方法
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    GB/T 38902-2020 DeterminAtion of hollow fiber membrane cross-section dimensions—Image analysis method
    中空纤维膜丝截面结构尺寸的测定 图像分析法
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    GB/T 38891-2020 Test method of magnetic separAtion
    磁力分选试验方法
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    GB/T 38783-2020 Method of coAting thickness determination for precious metal composites by scanning electron microscope
    贵金属复合材料覆层厚度的扫描电镜测定方法
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    GB/T 29503-2020 Aluminium alloy stretched plAtes
    铝合金预拉伸板
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    GB/T 27788-2020 Microbeam analysis—Scanning electron microscopy—Guidelines for calibrAting image magnification
    微束分析 扫描电镜 图像放大倍率校准导则
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    GB/T 26008-2020 BAttery grade lithium hydroxide monohydrate
    电池级单水氢氧化锂
    China National Standards
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    GB/T 25998-2020 Mineral wool decorAting and acoustic ceilings
    矿物棉装饰吸声板
    China National Standards
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    GB/T 25997-2020 PolyisocyanurAte(PIR) products for thermal insulation
    绝热用聚异氰脲酸酯制品
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    GB/T 25127.1-2020 Low ambient temperAture air source heat pump (water chilling)packages—Part 1:Heat pump (water chilling)packages for industrial & commercial and similar application
    低环境温度空气源热泵(冷水)机组 第1部分:工业或商业用及类似用途的热泵(冷水)机组
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    GB/T 25127.2-2020 Low ambient temperAture air source heat pump (water chilling)packages—Part 2:Heat pump (water chilling)packages for household and similar application
    低环境温度空气源热泵(冷水)机组 第2部分:户用及类似用途的热泵(冷水)机组
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    GB/T 20975.4-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:DeterminAtion of iron content
    铝及铝合金化学分析方法 第4部分:铁含量的测定
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    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
    China National Standards
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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
    China National Standards
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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 20671.3-2020 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
    China National Standards
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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
    China National Standards
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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
    China National Standards
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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 14563-2020 SpecificAtion and test method of kaolin clay
    高岭土及其试验方法
    China National Standards
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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 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 5252-2020 Test method for dislocAtion density of monocrystal germanium
    锗单晶位错密度的测试方法
    China National Standards
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    GB/T 38966-2020 Assessment requirements for wAter stewardship
    可持续水管理评价要求
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    GB/T 38946-2020 SpecificAtion of centralized operation and maintenance for distributed photovoltaic power system
    分布式光伏发电系统集中运维技术规范
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    GB/T 38940-2020 Non-destructive testing—Testing method of small-angle neutron scAttering
    无损检测 中子小角散射检测方法
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    GB/T 38941-2020 Superalloy rods for powders Atomized by plasma rotating electrode process
    等离子旋转电极雾化制粉用高温合金棒料
    China National Standards
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    GB/T 38939-2020 Nickel-based alloy—DeterminAtion of multi-element contents—Spark discharge atomic emission spectrometric method(routine method)
    镍基合金 多元素含量的测定 火花放电原子发射光谱分析法(常规法)
    China National Standards
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    GB/T 38936-2020 High temperAture carburizing steel for bearing
    高温渗碳轴承钢
    China National Standards
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    GB/T 38933-2020 Cold rolled steel sheet for automobile—Test method of phosphAte conversion coatings
    汽车用冷轧钢板 磷酸盐转化膜试验方法
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    GB/T 38928-2020 Manufacturing dAta definition of civil aircraft composite part design model
    民用飞机复合材料设计模型制造数据定义
    China National Standards
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    GB/T 38926-2020 Technical specificAtion for collection of textile waste
    废旧纺织品回收技术规范
    China National Standards
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    GB/T 38923-2020 ClassificAtion and code of textile waste
    废旧纺织品分类与代码
    China National Standards
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    GB/T 38922-2020 General specificAtion for 35kV and below voltage standardized protection equipment
    35kV及以下标准化继电保护装置通用技术要求
    China National Standards
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    GB/T 38921-2020 SpecificAtion of steam turbine safty protection system for thermal power plant
    火力发电厂汽轮机安全保护系统技术条件
    China National Standards
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    GB/T 38920-2020 Coding requirements for dispAtch unit of hazardous waste
    危险废物储运单元编码要求
    China National Standards
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    GB/T 38918-2020 Civil airplane landing gear structure design and simulAtion
    民用飞机起落架结构设计与仿真
    China National Standards
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    GB/T 38914-2020 EvaluAtion method for lifetime of proton exchange membrane fuel cell stack in vehicle application
    车用质子交换膜燃料电池堆使用寿命测试评价方法
    China National Standards
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    GB/T 38907-2020 WAter saving enterprises—Polysilicon industry
    节水型企业 多晶硅行业
    China National Standards
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    GB/T 38906-2020 Low impact development stormwAter management and harvest—Facility classification
    低影响开发雨水控制利用 设施分类
    China National Standards
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    GB/T 38903-2020 Technical guideline for mAterial flow analysis of industrial parks
    工业园区物质流分析技术导则
    China National Standards
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    GB/T 38899-2020 ImplementAtion guidance for energy management system in chemical industry
    化工行业能源管理体系实施指南
    China National Standards
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    GB/T 38888-2020 Performance and calibrAtion methods for data acquisition software
    数据采集软件的性能及校准方法
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    GB/T 38898-2020 Non-destructive testing—Testing method for measuring coAting bond strength using ultrasonic wave
    无损检测 涂层结合强度超声检测方法
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    GB/T 38897-2020 Non-destructive testing—Measurement method for mAterial elastic modulus and Poisson’s ratio using ultrasoinc velocity
    无损检测 弹性模量和泊松比的超声测量方法
    China National Standards
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    GB/T 38896-2020 Non-destructive testing—IntegrAted non-destructive testing—General principles
    无损检测 集成无损检测 总则
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    GB/T 38895-2020 Non-destructive testing—Guidelines for electromagnetic acoustic transducers (EMAts)
    无损检测 电磁声换能器(EMATs)指南
    China National Standards
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    GB/T 38886-2020 High temperAture bearing steel
    高温轴承钢
    China National Standards
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    GB/T 38885-2020 General specificAtion for ultra-high cleanliness of high carbon chromium bearing steel
    超高洁净高碳铬轴承钢通用技术条件
    China National Standards
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    GB/T 38884-2020 High temperAture stainless steels for bearing
    高温不锈轴承钢
    China National Standards
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    GB/T 38877-2020 InsulAting coatings for the electrical steel strip(sheet)
    电工钢带(片)绝缘涂层
    China National Standards
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    GB/T 38875-2020 Reduced activAtion martensitic steel plates with heat-resistance and corrosion-resistance for nuclear facilities
    核电用耐高温抗腐蚀低活化马氏体结构钢板
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    GB/T 38874.4-2020 Tractors and machinery for agriculture and forestry—Safety-relAted parts of control systems—Part 4:Production,operation,modification and supporting processes
    农林拖拉机和机械 控制系统安全相关部件 第4部分:生产、运行、修改与支持规程
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    GB/T 38874.3-2020 Tractors and machinery for agriculture and forestry—Safety-relAted parts of control systems—Part 3: Series development,hardware and software
    农林拖拉机和机械 控制系统安全相关部件 第3部分:软硬件系列开发
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    GB/T 38874.2-2020 Tractors and machinery for agriculture and forestry—Safety-relAted parts of control systems—Part 2: Concept phase
    农林拖拉机和机械 控制系统安全相关部件 第2部分:概念阶段
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    GB/T 38874.1-2020 Tractors and machinery for agriculture and forestry—Safety-relAted parts of control systems—Part 1:General principles for design and development
    农林拖拉机和机械 控制系统安全相关部件 第1部分:设计与开发通则
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    GB/T 38853-2020 Performance requirements of monitoring and measuring systems used for dAta collection and analysis
    用于数据采集和分析的监测和测量系统的性能要求
    China National Standards
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    GB/T 38844-2020 Smart factory—General specificAtion for time synchronization, time management and test in industry automation system
    智能工厂 工业自动化系统时钟同步、管理与测量通用规范
    China National Standards
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    GB/T 38843-2020 DAta description of smart instrumentation—Actuators
    智能仪器仪表的数据描述 执行机构
    China National Standards
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    GB/T 38842-2020 CAtegories and test methods of practical superconducting wires—General characteristics and guidance
    实用超导线的分类和检测方法 一般特性和指南
    China National Standards
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    GB/T 38841-2020 Mechanical properties measurement—Room temperAture tensile test of reacted Nb3Sn composite superconductors
    力学性能测量 反应后的Nb3Sn复合超导线室温拉伸试验方法
    China National Standards
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    GB/T 38840-2020 Digital technique applicAtion of building and residence community—Primary data element
    建筑及居住区数字化技术应用 基础数据元
    China National Standards
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    GB/T 38835-2020 Industrial robot—Life cycle impact on environment evaluAtion method
    工业机器人 生命周期对环境影响评价方法
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    GB/T 38834.1-2020 Robotics—Performance criteria and relAted test methods for service robots—Part 1: Locomotion for wheeled robots
    机器人 服务机器人性能规范及其试验方法 第1部分:轮式机器人运动
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    GB/T 38833-2020 240V/336V DC power system technical requirements and test methods for informAtion and telecommunication
    信息通信用240V/336V直流供电系统技术要求和试验方法
    China National Standards
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    GB/T 38832-2020 Technical requirements of broadband customer networking based on public telecommunicAtion network—High-speed visible light communications under lighting constrains
    基于公用电信网的宽带客户网络联网技术要求 通照一体化高速可见光通信
    China National Standards
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    GB/T 38822-2020 Metallic mAterials—Creep-fatigue test method
    金属材料 蠕变-疲劳试验方法
    China National Standards
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    GB/T 38821-2020 Hetian Yu—Testing and classificAtion
    和田玉 鉴定与分类
    China National Standards
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    GB/T 38820-2020 IrradiAtion-resistant and heat-resistant steels
    抗辐照耐热钢
    China National Standards
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    GB/T 38819-2020 Technical requirements and assessment of green heAt treatment
    绿色热处理技术要求及评价
    China National Standards
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    GB/T 38817-2020 Steel for high heAt input welding
    大线能量焊接用钢
    China National Standards
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    GB/T 38816-2020 AgAte—Beihong agate—Testing
    玛瑙 北红玛瑙 鉴定
    China National Standards
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    GB/T 38815-2020 Superalloy powders Atomized by plasma rotating electrode process
    等离子旋转电极雾化高温合金粉末
    China National Standards
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