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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 "ENT" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 34550.2-2017 Method for evaluation of cooling seawater treatmENT agents—Part 2: Determination of scale inhibition performance
    海水冷却水处理药剂性能评价方法 第2部分:阻垢性能的测定
    China National Standards
    ENT

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    GB/T 34550.3-2017 Method for evaluation of cooling seawater treatmENT agents—Part 3: Determination of inhibiting microbes performance
    海水冷却水处理药剂性能评价方法 第3部分:菌藻抑制性能的测定
    China National Standards
    ENT

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    GB/T 34550.4-2017 Method for evaluation of cooling seawater treatmENT agents—Part 4: Dynamic simulation test
    海水冷却水处理药剂性能评价方法 第4部分:动态模拟试验
    China National Standards
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    GB/T 34550.1-2017 Method for evaluation of cooling seawater treatmENT agents—Part 1: Determination of corrosion inhibition performance
    海水冷却水处理药剂性能评价方法 第1部分: 缓蚀性能的测定
    China National Standards
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    GB/T 20306-2017 AmusemENT devices terminology
    游乐设施术语
    China National Standards
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    GB/T 3001-2017 Refractory products—Determination of modulus of rupture at ambiENT temperature
    耐火材料 常温抗折强度试验方法
    China National Standards
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    GB/T 34173-2017 Urban drainage and sewage treatmENT service
    城镇排水与污水处理服务
    China National Standards
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    GB/T 3007-2017 Refractory products—Determination of moisture contENT
    耐火材料 含水量试验方法
    China National Standards
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    GB/T 34184-2017 Test method for infrared refractive index of infrared optical glass—The deflection angle measuremENT
    红外光学玻璃红外折射率测试方法 偏折角法
    China National Standards
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    GB/T 34183-2017 Thermal insulating products for building equipmENT and industrial installations—Determination of the coefficient of thermal expansion
    建筑设备及工业装置用绝热制品 热膨胀系数的测定
    China National Standards
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    GB/T 34189-2017 Portland cemENT used for pipe pile without high pressure steam
    免压蒸管桩硅酸盐水泥
    China National Standards
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    GB/T 34150-2017 Printing machinery-Web-fed solvENTless laminating machine
    印刷机械 卷筒料无溶剂复合机
    China National Standards
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    GB/T 6730.74-2017 Iron ores-Determination of magnesium contENT-Flame atomic absorption spectrometric method
    铁矿石 镁含量的测定 火焰原子吸收光谱法
    China National Standards
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    GB/T 6730.42-2017 Iron ores—Determination of lead contENT—Dithizone spectrophotometric method
    铁矿石 铅含量的测定 双硫腙分光光度法
    China National Standards
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    GB/T 6730.39-2017 Iron ores—Determination of nickle contENT—Dimetylglyoxime spectrophotometric method
    铁矿石 镍含量的测定 丁二酮肟分光光度法
    China National Standards
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    GB/T 6730.47-2017 Iron ores—Determination of niobium contENT—Sulfochlorophenol S spectrophotometric method
    铁矿石 铌含量的测定 氯代磺酚S分光光度法
    China National Standards
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    GB/T 6730.37-2017 Iron ores—Determination of cobalt contENT—4-((5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
    铁矿石 钴含量的测定 4-[(5-氯-2-吡啶)偶氮]-1,3-二氨基苯分光光度法
    China National Standards
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    GB/T 6730.26-2017 Iron ores—Determination of fluorine contENT—Thorium nitrate titrimetric method
    铁矿石 氟含量的测定 硝酸钍滴定法
    China National Standards
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    GB/T 6730.38-2017 Iron ores—Determination of cobalt contENT—Nltroso-R salt spectrophotometric method
    铁矿石 钴含量的测定 亚硝基-R盐分光光度法
    China National Standards
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    GB/T 34192-2017 Guides for energy efficiency assessmENT of coking process
    焦化工序能效评估导则
    China National Standards
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    GB/T 6730.30-2017 Iron ores—Determination of chromium contENT—Diphenyl carbazide spectrophotometric method
    铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法
    China National Standards
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    GB/T 34193-2017 Guides for energy efficiency assessmENT of blast furnace process
    高炉工序能效评估导则
    China National Standards
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    GB/T 34196-2017 Guides for energy efficiency assessmENT of grate-kiln iron ore pelletizing process
    链箅机-回转窑球团工序能效评估导则
    China National Standards
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    GB/T 34194-2017 Guides for energy efficiency assessmENT of converter process
    转炉工序能效评估导则
    China National Standards
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    GB/T 34195-2017 Guides for energy efficiency assessmENT of sintering process
    烧结工序能效评估导则
    China National Standards
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    GB/T 5195.5-2017 Fluorspar—Determination of total sulfur contENT—Pipe furnace combustion iodic acid potassium titration method
    萤石 总硫含量的测定 管式炉燃烧-碘酸钾滴定法
    China National Standards
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    GB/T 20491-2017 Steel slag powder used for cemENT and concrete
    用于水泥和混凝土中的钢渣粉
    China National Standards
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    GB/T 5195.1-2017 Fluorspar—Determination of calcium fluoride contENT—EDTA titration method and distillation-potentiometric titration method
    萤石 氟化钙含量的测定 EDTA滴定法和蒸馏-电位滴定法
    China National Standards
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    GB/T 34206-2017 High corrosion resistance alloy rebars for the reinforcemENT of marine concrete
    海洋工程混凝土用高耐蚀性合金带肋钢筋
    China National Standards
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    GB/T 34208-2017 Iron and steel—Determination of antimony and tin contENT—Inductively coupled plasma atomic emission spectrometric method
    钢铁 锑、锡含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
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    GB/T 5195.14-2017 Fluorspar—Determination of magnesium contENT—Flame atomic absorption spectrometry
    萤石 镁含量的测定 火焰原子吸收光谱法
    China National Standards
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    GB/T 5195.15-2017 Fluorspar—Determination of calcium,aluminum,silicon,phosphorus,sulfur,potassium,iron,barium and lead contENT—Wavelength dispersive X-ray fluorescence spectrometric method
    萤石 钙、铝、硅、磷、硫、钾、铁、钡、铅含量的测定 波长色散X射线荧光光谱法
    China National Standards
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    GB/T 5195.13-2017 Fluorspar—Determination of aluminium contENT—EDTA titration method
    萤石 铝含量的测定 EDTA滴定法
    China National Standards
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    GB/T 5195.16-2017 Fluorspar—Determination of silicon, aluminum, iron, potassium, magnesium and titanium contENT—Inductively coupled plasma atomic emission spectrometry
    萤石 硅、铝、铁、钾、镁和钛含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
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    GB/T 6730.34-2017 Iron ores—Determination of tin contENT—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
    铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
    China National Standards
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    GB/T 6730.58-2017 Iron ores-Determination of vanadium contENT-Flame atomic absorption spectrometric method
    铁矿石 钒含量的测定 火焰原子吸收光谱法
    China National Standards
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    GB/T 6730.44-2017 Iron ores—Determination of zinc contENT—1-(2-pyridylazo)-2-naphthol spectrophotometric method
    铁矿石 锌含量的测定 1-(2-吡啶偶氮)-2-萘酚分光光度法
    China National Standards
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    GB/T 6730.59-2017 Iron ores-Determination of manganese contENT-Flame atomic absorption spectrometric method
    铁矿石 锰含量的测定 火焰原子吸收光谱法
    China National Standards
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    GB/T 34215-2017 Cold-rolled non-oriENTed electrical steel strip(sheet)for electric vehicle driving motor
    电动汽车驱动电机用冷轧无取向电工钢带(片)
    China National Standards
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    GB/T 19346.2-2017 Methods of measuremENT for amorphous and nanocrystalline alloys—Part 2: Lamination factor of amorphous alloy strips
    非晶纳米晶合金测试方法 第2部分:带材叠片系数
    China National Standards
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    GB/T 34210-2017 Test method for determining the oriENTation of sapphire single crystal
    蓝宝石单晶晶向测定方法
    China National Standards
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    GB/T 34209-2017 Stainless steel—Determination of multi-elemENT contents—Glow discharge optical emission spectrometry
    不锈钢 多元素含量的测定 辉光放电原子发射光谱法
    China National Standards
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    GB/T 25102.7-2017 Electroacoustics—Hearing aids—Part 7: MeasuremENT of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
    电声学 助听器 第7部分:助听器生产、供应和交货时质量保证的性能特性测量
    China National Standards
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    GB/T 20441.5-2017 Electroacoustics—MeasuremENT microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison
    电声学 测量传声器 第5部分:工作标准传声器声压校准的比较法
    China National Standards
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    GB/T 25498.5-2017 Electroacoustics—Simulators of human head and ear—Part 5:2 cm3 coupler for the measuremENT of hearing aids and earphones coupled to the ear by means of ear inserts
    电声学 人头模拟器和耳模拟器 第5部分:测量助听器和以插入方式与人耳耦合的耳机用2cm3声耦合器
    China National Standards
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    GB/T 34277-2017 ManagemENT specification on declaration and payment of social insurance
    社会保险费申报缴纳管理规范
    China National Standards
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    GB/T 7676.1-2017 Direct acting indicating analogue electrical measuring InstrumENTs and their accessories—Part 1:Definitions and general requirements common to all parts
    直接作用模拟指示电测量仪表及其附件 第1部分:定义和通用要求
    China National Standards
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    GB/T 14698-2017 IdENTification method of feed material by microscopy
    饲料原料显微镜检查方法
    China National Standards
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    GB/T 34278-2017 Individual account managemENT regulation of basic old-age pension insurance for urban workers
    职工基本养老保险个人账户管理规范
    China National Standards
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    GB/T 34282.1-2017 Social insurance relation transfer—Part1:ENTerprise emlpoyees basic old-age insurance
    社会保险关系转移接续 第1部分:企业职工基本养老保险
    China National Standards
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    GB/T 34225-2017 Dipped aramid straight warp straight weft canvas technical requiremENTs and evaluation methods
    浸胶芳纶直经直纬帆布技术条件和评价方法
    China National Standards
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    GB/T 5565.2-2017 Rubber and plastics hoses and tubing—MeasuremENT of flexibility and stiffness—Part 2: Bending tests at sub-ambient temperatures
    橡胶和塑料软管及非增强软管 柔性及挺性的测量 第2部分:低于室温弯曲试验
    China National Standards
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    GB/T 5565.3-2017 Rubber and plastics hoses and tubing—MeasuremENT of flexibility and stiffness—Part 3:Bending tests at high and low temperatures
    橡胶和塑料软管及非增强软管 柔性及挺性的测量 第3部分:高温和低温弯曲试验
    China National Standards
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    GB/T 5565.1-2017 Rubber and plastics hoses and tubing—MeasuremENT of flexibility and stiffness—Part 1: Bending tests at ambient temperatures
    橡胶和塑料软管及非增强软管 柔性及挺性的测量 第1部分:室温弯曲试验
    China National Standards
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    GB/T 26684-2017 Methods of measuremENT for digital terrestrial set-top box
    地面数字电视接收器测量方法
    China National Standards
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    GB/T 26685-2017 Methods of measuremENT for digital terrestrial television receiver
    地面数字电视接收机测量方法
    China National Standards
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    GB/T 34235-2017 Dipped polyester canvas technical requiremENTs and evaluation methods
    涤纶浸胶帆布技术条件和评价方法
    China National Standards
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    GB/T 7676.3-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 3:Special requirements for wattmeters and varmeters
    直接作用模拟指示电测量仪表及其附件 第3部分:功率表和无功功率表的特殊要求
    China National Standards
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    GB/T 7676.2-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 2:Special requirements for ammeters and voltmeters
    直接作用模拟指示电测量仪表及其附件 第2部分:电流表和电压表的特殊要求
    China National Standards
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    GB/T 7676.6-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 6:Special requirements for ohmmeters(impedance meters ) and conductance meters
    直接作用模拟指示电测量仪表及其附件 第6部分:电阻表(阻抗表)和电导表的特殊要求
    China National Standards
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    GB/T 7676.5-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 5:Special requirements for phase meters, power factor meters and synchroscopes
    直接作用模拟指示电测量仪表及其附件 第5部分:相位表、功率因数表和同步指示器的特殊要求
    China National Standards
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    GB/T 34288-2017 Techincal and installation requiremENTs of boxing ring
    拳击台技术与安装要求
    China National Standards
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    GB/T 34284-2017 Public sports facilities—Safety requiremENTs for outdoor fitness equipments
    公共体育设施 室外健身设施应用场所安全要求
    China National Standards
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    GB/T 34286-2017 Greenhouse gas—Carbon dioxide measuremENT—Off-axis integrated cavity output spectroscopy method
    温室气体 二氧化碳测量 离轴积分腔输出光谱法
    China National Standards
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    GB/T 34287-2017 Greenhouse gas—Methane measuremENT—Off-axis integrated cavity output spectroscopy method
    温室气体 甲烷测量 离轴积分腔输出光谱法
    China National Standards
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    GB/T 34290-2017 Public sports facilities—Configuration and managemENT of outdoor fitness equipments
    公共体育设施 室外健身设施的配置与管理
    China National Standards
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    GB/T 34289-2017 Fitness equipmENT and location safety sign and labels
    健身器材和健身场所安全标志和标签
    China National Standards
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    GB/T 34296-2017 Specification of hail evENT surveys
    地面降雹特征调查规范
    China National Standards
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    GB/T 34294-2017 PrevENTion specification of disasters caused by intense rainfall for rural buildings
    农村民居防御强降水引发灾害规范
    China National Standards
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    GB/T 34241-2017 Spiral wound composite polyamide reverse osmosis membrane elemENT
    卷式聚酰胺复合反渗透膜元件
    China National Standards
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    GB/T 17514-2017 Water treatmENT chemicals—Anionic and non-ionic polyacrylamides
    水处理剂 阴离子和非离子型聚丙烯酰胺
    China National Standards
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    GB/T 34244-2017 Technical code for liquid sterilizing-grade filter elemENTs
    液体除菌用过滤芯技术要求
    China National Standards
    ENT

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    GB/T 34239-2017 Poly(3-hydroxybutyrate-co-valerate)/polylactide (PHBV/PLA) blend filamENT yarn
    聚3-羟基丁酸-戊酸酯/聚乳酸(PHBV/PLA)共混物长丝
    China National Standards
    ENT

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    GB/T 34249-2017 Water treatmENT chemicals—Polyamines
    水处理剂 聚胺
    China National Standards
    ENT

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    GB/T 34159-2017 Haloxyfop-P-methyl emulsifiable concENTrates
    高效氟吡甲禾灵乳油
    China National Standards
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    GB/Z 34161-2017 Technical guide for smart protection equipmENT of microgrid
    智能微电网保护设备技术导则
    China National Standards
    ENT

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    GB/T 23851-2017 Snow-melting agENT
    融雪剂
    China National Standards
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    GB/T 34322-2017 Automatic continuous determination of water quality for boiler and cooling system—PotENTiometric titration
    锅炉用水和冷却水水质自动连续测定 电位滴定法
    China National Standards
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    GB/T 7676.8-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 8:Special requirements for accessories
    直接作用模拟指示电测量仪表及其附件 第8部分:附件的特殊要求
    China National Standards
    ENT

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    GB/T 7676.9-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 9:Recommended test methods
    直接作用模拟指示电测量仪表及其附件 第9部分:推荐的试验方法
    China National Standards
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    GB/T 7676.4-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 4:Special requirements for frequency meters
    直接作用模拟指示电测量仪表及其附件 第4部分:频率表的特殊要求
    China National Standards
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    GB/T 34238-2017 RequiremENT for cleaning eggs in prosess and circulating
    清洁蛋加工流通技术规范
    China National Standards
    ENT

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    GB/T 7676.7-2017 Direct acting indicating analogue electrical measuring instrumENTs and their accessories—Part 7:Special requirements for multi-function instruments
    直接作用模拟指示电测量仪表及其附件 第7部分:多功能仪表的特殊要求
    China National Standards
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    GB/T 34311-2017 Operation condition and technical requiremENTs for gymnasium and stadium—General provisions
    体育场所开放条件与技术要求 总则
    China National Standards
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    GB/T 22517.4-2017 Technical requiremENTs and test methods for sports fields—Part 4: Synthetic surface for basketball
    体育场地使用要求及检验方法 第4部分:合成面层篮球场地
    China National Standards
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    GB/T 34314-2017 Code for use of dragon and lion dance sports equipmENT
    龙狮器材使用要求
    China National Standards
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    GB/T 19079.32-2017 Operation condition and technical requiremENTs for gymnasium and playground—Part 32: Football place
    体育场所开放条件与技术要求 第32部分:足球运动场所
    China National Standards
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    GB/T 34324-2017 Technical requiremENT of microarray biochip spotter
    微阵列生物芯片点样仪技术要求
    China National Standards
    ENT

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    GB/T 34162-2017 Natural gas—Determination of arsenic contENT—Potassium permanganate sample method
    天然气 砷含量的测定 高锰酸钾取样法
    China National Standards
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    GB/T 34163-2017 Technical specifications of developmENT plan for shale gas
    页岩气开发方案编制技术规范
    China National Standards
    ENT

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    GB/T 34267-2017 Criterion of producing managemENT for edible starch and its products
    食用淀粉及淀粉制品生产管理规范
    China National Standards
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    GB/T 34266-2017 Code of practice for the prevENTion and reduction of ethyl carbamte contamination in Chinese rice wine
    黄酒中氨基甲酸乙酯预防控制技术措施指南
    China National Standards
    ENT

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    GB/T 34283-2017 Interface specifications of national emergencies early warning release system’s managemENT platform and terminal management platform
    国家突发事件预警信息发布系统管理平台与终端管理平台接口规范
    China National Standards
    ENT

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    GB/T 34279-2017 Safety for fence facilities of cage-football—General requiremENTs
    笼式足球场围网设施安全 通用要求
    China National Standards
    ENT

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    GB/T 34041.1-2017 MeasuremENT of fluid flow in closed conduits—Ultrasonic meters for gas—Part 1: Meters for custody transfer and allocation measurement
    封闭管道中流体流量的测量 气体超声流量计 第1部分:贸易交接和分输计量用气体超声流量计
    China National Standards
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    GB/T 30428.5-2017 Information system for digitized supervision and managemENT of city—Part 5:Device for supervise information capture
    数字化城市管理信息系统 第5部分:监管信息采集设备
    China National Standards
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    GB/T 34041.2-2017 MeasuremENT of fluid flow in closed conduits—Ultrasonic meters for gas—Part 2: Meters for industrial applications
    封闭管道中流体流量的测量 气体超声流量计 第2部分:工业测量用气体超声流量计
    China National Standards
    ENT

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    GB/T 34281-2017 RequiremENT of the classification and configuration for public fitness activity center
    全民健身活动中心分类配置要求
    China National Standards
    ENT

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    GB/T 34280-2017 RequiremENT of the service and management for public fitness activity center
    全民健身活动中心管理服务要求
    China National Standards
    ENT

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    GB/T 32419.5-2017 Information technology—SOA technology implemENTation specification—Part 5: Development of service integration
    信息技术 SOA技术实现规范 第5部分:服务集成开发
    China National Standards
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