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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.
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  • Standard  Code Standard Title Standard Class Order
    GB/T 43612-2023 Silicon carbide crystal material defect map
    碳化硅晶体材料缺陷图谱
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    GB/T 43493.3-2023 Semiconductor devices - Non-destructive testing and identification criteria for defects in silicon carbide homoepitaxial wafers for power devices - Part 3: Photoluminescence detection method of defects
    半导体器件 功率器件用碳化硅同质外延片缺陷的无损检测识别判据 第3部分:缺陷的光致发光检测方法
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    GB/T 43493.2-2023 Semiconductor devices - Non-destructive testing and identification criteria for defects in silicon carbide homoepitaxial wafers for power devices - Part 2: Optical detection methods for defects
    半导体器件 功率器件用碳化硅同质外延片缺陷的无损检测识别判据 第2部分:缺陷的光学检测方法
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    GB/T 43493.1-2023 Semiconductor devices - Non-destructive testing and identification criteria for defects in silicon carbide homoepitaxial wafers for power devices - Part 1: Defect classification
    半导体器件 功率器件用碳化硅同质外延片缺陷的无损检测识别判据 第1部分:缺陷分类
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    GB/T 2077-2023 Carbide indexable inserts corner radius
    硬质合金可转位刀片 圆角半径
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    GB 21343-2023 Energy consumption limits per unit product for calcium carbide, vinyl acetate, polyvinyl alcohol, 1,4-butanediol, dicyandiamide and cyanamide
    电石、乙酸乙烯酯、聚乙烯醇、1,4-丁二醇、双氰胺和单氰胺单位产品能源消耗限额
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    GB/T 43313-2023 Testing of surface quality and microtube density of polished silicon carbide wafers by confocal differential interference method
    碳化硅抛光片表面质量和微管密度的测试 共焦点微分干涉法
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    GB/T 26725-2023 Ultrafine tungsten carbide powder
    超细碳化钨粉
    China National Standards
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    GB/T 26053-2023 Carbide based thermal spray powder
    碳化物基热喷涂粉
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    GB/T 11064.9-2023 Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate, and lithium chloride Part 9: Determination of sulfate content Barium sulfate turbidity method
    碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第9部分:硫酸根含量的测定 硫酸钡浊度法
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    GB/T 5166-2023 Determination of elastic modulus of sintered metal materials and cemented carbide
    烧结金属材料和硬质合金弹性模量的测定
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    GB/T 42905-2023 Testing of Silicon Carbide Epitaxial Layer Thickness Infrared Reflection Method
    碳化硅外延层厚度的测试 红外反射法
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    GB/T 42902-2023 Testing of surface defects of silicon carbide epitaxial wafers Laser scattering method
    碳化硅外延片表面缺陷的测试 激光散射法
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    GB/T 42511-2023 Cemented carbide - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt powder - Flame atomic absorption spectrometry
    硬质合金 钴粉中钙、铜、铁、钾、镁、锰、钠、镍和锌含量的测定 火焰原子吸收光谱法
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    GB/T 10067.417-2023 Basic specifications for electrothermal and electromagnetic treatment devices Part 417: Devices for growing silicon carbide single crystals
    电热和电磁处理装置基本技术条件 第417部分:碳化硅单晶生长装置
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    GB/T 239.2-2023 Metallic materials - wire rods - Part 2: Test methods for bidirectional torsion
    金属材料 线材 第2部分:双向扭转试验方法
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    GB/T 30656-2023 Silicon carbide single crystal polished wafer
    碳化硅单晶抛光片
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    GB/T 41658-2022 Metal powders (excluding cemented carbide) copper-based impregnated powder test method
    金属粉末(不包括硬质合金) 铜基浸渗粉检验方法
    China National Standards
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    GB/T 26052-2022 Carbide Tubular Welding Rod
    硬质合金管状焊条
    China National Standards
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    GB/T 26055-2022 Regenerated tungsten carbide powder
    再生碳化钨粉
    China National Standards
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    GB/T 1481-2022 Determination of compressibility of metal powders (excluding cemented carbide powders) in uniaxial compaction
    金属粉末(不包括硬质合金粉末) 在单轴压制中压缩性的测定
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    GB/T 21944.4-2022 Silicon carbide special products - Reaction sintered silicon carbide kiln furniture - Part 4: Burner sleeves
    碳化硅特种制品 反应烧结碳化硅窑具 第4部分:烧嘴套
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    GB/T 21944.3-2022 Silicon carbide special products - Reaction sintered silicon carbide kiln furniture - Part 3: Rollers
    碳化硅特种制品 反应烧结碳化硅窑具 第3部分:辊棒
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    GB/T 21944.2-2022 Silicon carbide special products - Reaction sintered silicon carbide kiln furniture - Part 2: Shaped beams
    碳化硅特种制品 反应烧结碳化硅窑具 第2部分:异形梁
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    GB/T 2480-2022 Conventional abrasive—Silicon carbide
    普通磨料  碳化硅
    China National Standards
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    GB/T 21944.1-2022 Special products of silicon carbide—Kiln furniture of reaction bonded silicon carbide—Part 1:Beams
    碳化硅特种制品  反应烧结碳化硅窑具  第1部分:方梁
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    GB/T 41322-2022 Cemented carbides - Determination of silicon content in cobalt powder - Spectrophotometric method
    硬质合金 钴粉中硅量的测定 分光光度法
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    GB/T 42275-2022 Cemented carbide - Determination of total carbon content - High frequency combustion infrared absorption method/thermal conductivity method
    硬质合金 总碳量的测定 高频燃烧红外吸收法/热导法
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    GB/T 42271-2022 Non-contact measurement method for resistivity of semi-insulating silicon carbide single crystal
    半绝缘碳化硅单晶的电阻率非接触测试方法
    China National Standards
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    GB 41618-2022 Emission standard of air pollutants for lime and calcium carbide industry
    石灰、电石工业大气污染物排放标准
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    GB/T 21182-2022 Carbide Scrap
    硬质合金废料
    China National Standards
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    GB/T 41765-2022 Test method for dislocation density of silicon carbide single crystal
    碳化硅单晶位错密度的测试方法
    China National Standards
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    GB/T 41736-2022 Aluminum Matrix Composites with High Volume Fraction Silicon Carbide Particles
    高体积分数碳化硅颗粒铝基复合材料
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    GB/T 41737-2022 Aluminum matrix composites - Test method for volume fraction of silicon carbide - Dissolution method
    铝基复合材料 碳化硅体积分数试验方法 溶解法
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    GB/T 36917.4-2022 Dentistry - Laboratory cutting tools - Part 4: Microtungsten carbide cutting tools for laboratory use
    牙科学 技工室用刃具 第4部分:技工室用微型硬质合金刃具
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    GB/T 36917.3-2022 Dentistry - Laboratory cutting tools - Part 3: Carbide cutting tools for milling machines
    牙科学 技工室用刃具 第3部分:铣床用硬质合金刃具
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    GB/T 3488.4-2022 Cemented carbide - Metallographic determination of microstructure - Part 4: Metallographic determination of porosity, non-combined carbon defects and decarburized phases
    硬质合金 显微组织的金相测定 第4部分:孔隙度、非化合碳缺陷和脱碳相的金相测定
    China National Standards
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    GB/T 34520.8-2021 Test methods of continuous silicon carbide fibers—Part 8:Oxygen content
    连续碳化硅纤维测试方法 第8部分:氧含量
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    GB/T 6110-2021 Drawing dies—Carbide alloy drawing dies—Structural types and dimensions
    拉制模 硬质合金拉制模 结构型式和尺寸
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    GB/T 40190-2021 Determination of forbidden bleach in toothpaste—High performance liquid chromatography method
    牙膏中禁用漂白剂的测定 高效液相色谱法
    China National Standards
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    GB/T 40067-2021 Microstructure and defect determination of tungsten carbide powder
    碳化钨粉末微观组织及缺陷检测方法
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    GB/T 34520.9-2021 Test methods of continuous silicon carbide fibers - Part 9: Carbon content
    连续碳化硅纤维测试方法 第9部分:碳含量
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    GB/T 3488.3-2021 Hardmetals—Metallographic determination of microstructure—Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals
    硬质合金 显微组织的金相测定 第3部分:Ti(C,N)和WC立方碳化物基硬质合金显微组织的金相测定
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    GB/T 41041-2021 Control requirements of forbidden and restricted components for space applications
    宇航禁限用元器件控制要求
    China National Standards
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    GB/T 41153-2021 Determination of boron, aluminum and nitrogen impurity content in silicon carbide single crystal -- Secondary ion mass spectrometry
    碳化硅单晶中硼、铝、氮杂质含量的测定? 二次离子质谱法
    China National Standards
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    GB/T 38977-2020 Nanometer grain cemented carbide rod
    纳米晶硬质合金棒材
    China National Standards
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    GB/T 38987-2020 Cemented carbide rods with helical coolant holes
    硬质合金螺旋孔棒材
    China National Standards
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    GB/T 38568-2020 Determination of growth phenotype for industrialmicrobial strain—Microdroplet turbidity
    工业微生物菌株生长表型测定 微液滴浊度法
    China National Standards
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    GB/T 11101-2020 Cemented carbide blanks for round rods
    硬质合金圆棒毛坯
    China National Standards
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    GB/T 5243-2020 Marking,packing,transport and storage of cemented carbide products
    硬质合金制品的标志、包装、运输和贮存
    China National Standards
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    GB/T 37828-2019 bidirectional metal to metal sealed butterfly valve for urban heating
    城镇供热用双向金属硬密封蝶阀
    China National Standards
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    GB/T 2078-2019 Dimensions of indexable hardmetal (carbide) inserts with rounded corners,with cylindrical fixing hole
    带圆角圆孔固定的硬质合金可转位刀片尺寸
    China National Standards
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    GB/T 20508-2019 Tantalum carbide powder
    碳化钽粉
    China National Standards
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    GB/T 4295-2019 Tungsten carbide powder
    碳化钨粉
    China National Standards
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    GB/T 37626-2019 Determination of 9 forbidden penicillins including amoxicillin in cosmetics—Liquid chromatography-tandem mass spectrometry
    化妆品中阿莫西林等9种禁用青霉素类抗生素的测定 液相色谱-串联质谱法
    China National Standards
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    GB/T 36917.2-2018 Dentistry—Laboratory cutters—Part 2:Carbide laboratory cutters
    牙科学-技工室用刃具-第2部分:技工室用硬质合金刃具
    China National Standards
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    GB/T 37254-2018 High purity silicon carbide—Determination of trace elements
    高纯碳化硅-微量元素的测定
    China National Standards
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    GB/T 36594-2018 Method of ultrasonic inspection for cemented carbide
    硬质合金超声检测方法
    China National Standards
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    GB/T 2081-2018 Indexable hardmetal (carbide) inserts with wiper edges,without fixing hole—Dimensions
    带修光刃、无固定孔的硬质合金可转位铣刀片 尺寸
    China National Standards
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    GB/T 36591-2018 Metallographic detection method for coatings on carbide products
    硬质合金制品的涂层金相检测方法
    China National Standards
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    GB/T 35894-2018 Determination of 10 forbidden glycol ethers and esters in cosmetics—GC-MS
    化妆品中10种禁用二元醇醚及其酯类化合物的测定 气相色谱-质谱法
    China National Standards
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    GB/T 35871-2018 Inspection of grain and oils—Determination of calcium, potassium,magnesium, sodium, iron, phosphorus, zinc, copper, manganese, boron, barium, molybdenum, cobalt, chromium, lithium, strontium, nickel, sulfur, vanadium, selenium, rubidium contents in cere
    粮油检验 谷物及其制品中钙、钾、镁、钠、铁、磷、锌、铜、锰、硼、钡、钼、钴、铬、锂、锶、镍、硫、钒、硒、铷含量的测定 电感耦合等离子体发射光谱法
    China National Standards
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    GB/T 34520.2-2017 Test methods for continuous silicon carbide fiber—Part 2:Diameter of single-filament fiber
    连续碳化硅纤维测试方法 第2部分:单纤维直径
    China National Standards
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    GB/T 34520.1-2017 Test methods for continuous silicon carbide fiber—Part 1:Size content of filament yarn
    连续碳化硅纤维测试方法 第1部分:束丝上浆率
    China National Standards
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    GB/T 34520.5-2017 Test methods for continuous silicon carbide fiber—Part 5:Tensile properties of single-filament fiber
    连续碳化硅纤维测试方法 第5部分:单纤维拉伸性能
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    GB/T 34520.4-2017 Test methods for continuous silicon carbide fiber—Part 4:Tensile properties of filament yarn
    连续碳化硅纤维测试方法 第4部分:束丝拉伸性能
    China National Standards
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    GB/T 34520.3-2017 Test methods for continuous silicon carbide fiber—Part 3:Linear density and density
    连续碳化硅纤维测试方法 第3部分:线密度和密度
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    GB/T 34520.6-2017 Test methods for continuous silicon carbide fiber-Part 6:Resistivity
    连续碳化硅纤维测试方法 第6部分:电阻率
    China National Standards
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    GB/T 34520.7-2017 Test methods for continuous silicon carbide fiber—Part 7 :High temperature strength retention rate
    连续碳化硅纤维测试方法 第7部分:高温强度保留率
    China National Standards
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    GB/T 5242-2017 Inspection rules and test methods of cemented carbide products
    硬质合金制品检验规则与试验方法
    China National Standards
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    GB/T 1817-2017 Test method for impact toughness of cemented carbides at room temperature
    硬质合金常温冲击韧性试验方法
    China National Standards
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    GB/T 14445-2017 Carbide products for coal mining tools
    煤炭采掘工具用硬质合金制品
    China National Standards
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    GB/T 2967-2017 Cast tungsten carbide powder
    铸造碳化钨粉
    China National Standards
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    GB/T 6883-2017 Cemented carbide sintering body for wire, bar or tube drawing dies—Dimensions
    线、棒、管拉模用硬质合金烧结品 尺寸
    China National Standards
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    GB/T 16555-2017 Chemical analysis of refractories containing carbon and silicon carbide or nitride
    含碳、碳化硅、氮化物耐火材料化学分析方法
    China National Standards
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    GB/T 3045-2017 Conventional abrasive—Chemical analysis of silicon carbide
    普通磨料 碳化硅化学分析方法
    China National Standards
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    GB/T 35581-2017 Administration criterion for uniform bidding transactions in grain wholesale market
    粮食批发市场统一竞价交易管理规范
    China National Standards
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    GB/T 26949.7-2016 Industrial trucks—Verification of stability—Part 7: bidirectional and multidirectional trucks
    工业车辆 稳定性验证 第7部分:两向和多向运行叉车
    China National Standards
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    GB/T 32930-2016 Microcrystalline cemented carbide rod
    微晶硬质合金棒材
    China National Standards
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    GB/T 32978-2016 Silicon carbide filter element for high temperature
    碳化硅质高温陶瓷过滤元件
    China National Standards
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    GB/T 32375-2015 Rules of safety technology of produced calcium carbide
    电石生产安全技术规程
    China National Standards
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    GB/T 32278-2015 Test methods for flatness of monocrystalline silicon carbide wafers
    碳化硅单晶片平整度测试方法
    China National Standards
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    GB/T 2079-2015 Indexable hardmetal (carbide) inserts with rounded corners, without fixing hole—Dimensions
    带圆角无固定孔的硬质合金可转位刀片 尺寸
    China National Standards
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    GB/T 18376.3-2015 Grades of cemented carbide—Part 3: Grades of cemented carbide for wear parts
    硬质合金牌号 第3部分:耐磨零件用硬质合金牌号
    China National Standards
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    GB 21343-2015 The norm of energy consumption per unit products of calcium carbide
    电石单位产品能源消耗限额
    China National Standards
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    GB/T 6480-2015 Carbide detachable bit for rock drilling
    凿岩用硬质合金钎头
    China National Standards
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    GB/T 31401-2015 Fluorinated alkane—Determination of chloride (Cl―)—Turbidimetry
    氟代烷烃 氯化物(Cl―)的测定 浊度法
    China National Standards
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    GB/T 31351-2014 Nondestructive test method for micropipe density of polished monocrystalline silicon carbide wafers
    碳化硅单晶抛光片微管密度无损检测方法
    China National Standards
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    GB/T 30656-2014 Polished monocrystalline silicon carbide wafers
    碳化硅单晶抛光片
    China National Standards
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    GB/T 30868-2014 Test method for measuring micropipe density of monocrystalline silicon carbide wafers―Chemically etching
    碳化硅单晶片微管密度的测定 化学腐蚀法
    China National Standards
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    GB/T 30867-2014 Test method for measuring thickness and total thickness variation of monocrystalline silicon carbide wafers
    碳化硅单晶片厚度和总厚度变化测试方法
    China National Standards
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    GB/T 30866-2014 Test method for measuring diameter of monocrystalline silicon carbide wafers
    碳化硅单晶片直径测试方法
    China National Standards
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    GB/T 15893.1-2014 Industrial circulating cooling water―Determination of turbidity―Diffused radiation method
    工业循环冷却水中浊度的测定 散射光法
    China National Standards
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    GB/T 18376.2-2014 Grades of cemented carbide―Part 2: Grades of cemented carbide for geological and mining tools
    硬质合金牌号 第2部分:地质、矿山工具用硬质合金牌号
    China National Standards
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    GB 30039-2013 Safety specification for tungsten carbide powder producing
    碳化钨粉安全生产规程
    China National Standards
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    GB 29975-2013 National Food Safety Standard Food Additive Identification Allyl disulfide Food Additive Identification Difurfuryl disulbide ether
    食品安全国家标准 食品添加剂 二糠基二硫醚
    China National Standards
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    GB/T 29813-2013 Analyser systems - Guide to technical enquiry and bid evaluation
    分析器系统 技术咨询和投标评估指南
    China National Standards
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    GB/T 29583-2013 Detection and identification of Flaveria bidentis (L.) Kuntze
    黄顶菊检疫鉴定方法
    China National Standards
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    GB/T 29230.1-2012 Opto-electronic-opto bidirectional wavelength converter for plastic optical fiber transmission system - Part 1: Wavelength converter between 650nm and 1550nm (or 1310nm or 850nm) of 100Mbps ethernet
    塑料光纤系统用光-电-光双向波长转换器 第1部分:百兆以太网650nm与1550nm/1310nm/850nm波长转换器
    China National Standards
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    GB/T 12498-2012 Generic specification of rubidium frequency standard
    铷原子频率标准通用规范
    China National Standards
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