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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. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 20840.102-2020 |
Instrument transformers—Part 102: Ferroresonance oscillations in substations with inductive voltage transformers 互感器 第102部分：带有电磁式电压互感器的变电站中的铁磁谐振 |
China National Standards duct |
 English PDF |
| GB/T 18916.50-2020 |
Norm of water intake—Part 50：Polyester product 取水定额 第50部分：聚酯涤纶产品 |
China National Standards duct |
English PDF |
| GB/T 18916.49-2020 |
Norm of water intake—Part 49：Polyamide product 取水定额 第49部分：锦纶产品 |
China National Standards duct |
English PDF |
| GB/T 18916.48-2020 |
Norm of water intake—Part 48：Polyvinyl product 取水定额 第48部分：维纶产品 |
China National Standards duct |
English PDF |
| GB/T 18916.47-2020 |
Norm of water intake—Part 47: Polysilicon production 取水定额 第47部分：多晶硅生产 |
China National Standards duct |
English PDF |
| GB/T 2893.2-2020 |
Graphical symbols—Safety cloures and safety signs—Part 2: Design principles for product safety labels 图形符号 安全色和安全标志 第2部分：产品安全标签的设计原则 |
China National Standards duct |
English PDF |
| GB/T 16857.901-2020 |
Geometrical product specifications (GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 901: CMMs with multiple imaging probing system 产品几何技术规范（GPS） 坐标测量机的验收检测和复检检测 第901部分：配置多影像探测系统的坐标测量机 |
China National Standards duct |
English PDF |
| GB/T 38579-2020 |
Determination of photosynthetic bacteria in biologic products 生物产品中光合细菌测定 |
China National Standards duct |
English PDF |
| 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 duct |
English PDF |
| GB/T 5193-2020 |
Method of ultrasonic inspection for wrought titanium and titanium alloy products 钛及钛合金加工产品超声检验方法 |
China National Standards duct |
English PDF |
| GB/T 4698.10-2020 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10：Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry（with vanadium） 海绵钛、钛及钛合金化学分析方法 第10部分：铬量的测定 硫酸亚铁铵滴定法和电感耦合等离子体原子发射光谱法（含钒） |
China National Standards duct |
English PDF |
| GB/T 38513-2020 |
Methods for chemical analysis of niobium hafnium alloys—Determination of hafnium,titanium,zirconium,tungsten,tantalum contents—Inductively coupled plasma atomic emission spectrometry 铌铪合金化学分析方法 铪、钛、锆、钨、钽等元素的测定 电感耦合等离子体原子发射光谱法 |
China National Standards duct |
English PDF |
| GB/T 38555-2020 |
Information technology—Big data—Core metadata for industrial product 信息技术 大数据 工业产品核心元数据 |
China National Standards duct |
English PDF |
| GB/T 38457-2020 |
Specification of packaging quality inspector for bottled liquid products 液态瓶装包装质量检测机技术要求 |
China JB-Machinery Industry Standards duct |
English PDF |
| GB/T 37055.4-2020 |
National article numbering and basic information specification—Means of production—Part 4: Asphalt 国家物品编码与基础信息通用规范 生产资料 第4部分：沥青 |
China National Standards duct |
English PDF |
| GB/T 37055.2-2020 |
National articles numbering and basic information specification—Means of production—Part 2：Fuels and lubricants 国家物品编码与基础信息通用规范 生产资料 第2部分：燃润料 |
China National Standards duct |
English PDF |
| GB/T 38505-2020 |
General detection methods of genetically modified products 转基因产品通用检测方法 |
China National Standards duct |
English PDF |
| GB 15193.29-2020 |
National food safety standard - Test of extended one-generation reproductive toxicity 食品安全国家标准 扩展一代生殖毒性试验 |
China National Standards duct |
English PDF |
| GB/T 39722-2020 |
Superconducting electronic devices—Generic specification for sensors and detectors 超导电子器件 传感器和探测器通用规范 |
China National Standards duct |
English PDF |
| GB/T 39716-2020 |
Test method for air-purification performance of photocatalytic materials and products—Removal of nitric oxide 光催化材料及制品空气净化性能测试方法 氮氧化物的去除 |
China National Standards duct |
English PDF |
| GB/T 39714.2-2020 |
Plastics—Polytetrafluoroethylene(PTFE) semi-finished products—Part 2:Preparation of test specimens and determination of properties 塑料 聚四氟乙烯(PTFE)半成品 第2部分：试样制备和性能测定 |
China National Standards duct |
English PDF |
| GB/T 39714.1-2020 |
Plastics—Polytetrafluoroethylene(PTFE) semi-finished products—Part 1:Requirements and designation 塑料 聚四氟乙烯(PTFE)半成品 第1部分：要求和命名 |
China National Standards duct |
English PDF |
| GB/T 39647-2020 |
Laboratory animal—Quality control of reproductive and developmental health 实验动物 生殖和发育健康质量控制 |
China National Standards duct |
English PDF |
| GB/T 39643-2020 |
Geometrical product specifications (GPS)—Systematic errors and contributions to measurement uncertainty of length measurement due to thermal influences 产品几何技术规范（GPS） 长度测量中温度影响引入的系统误差和测量不确定度来源 |
China National Standards duct |
English PDF |
| GB/T 39642-2020 |
Technical product specification (TPS)—Application guidance—International model for national implementation 产品技术规范（TPS） 应用导则 国家标准应用的国际模型 |
China National Standards duct |
English PDF |
| GB/T 39603-2020 |
Guidelines for the recall effectiveness evaluation of defective motor vehicle products 缺陷汽车产品召回效果评估指南 |
China National Standards duct |
English PDF |
| GB/T 39591-2020 |
Common data dictionary for geometry inspection quality information model of mechanical products 机械产品几何检测质量信息模型通用数据字典 |
China National Standards duct |
English PDF |
| GB/T 39589-2020 |
Specifications for evaluation of modular design for parts of mechanical products 机械产品零部件模块化设计评价规范 |
China National Standards duct |
English PDF |
| GB/T 39570-2020 |
Requirements for image display of electronic commerce transaction product 电子商务交易产品图像展示要求 |
China National Standards duct |
English PDF |
| GB/T 39560.701-2020 |
Determination of certain substances in electrical and electronic products—Part 7-1:Hexavalent chromium—Presence of hexavalent chromium [Cr(VI)] in colourless and coloured corrosion-protected coatings on metals by the colorimetric method 电子电气产品中某些物质的测定 第7-1部分：六价铬 比色法测定金属上无色和有色防腐镀层中的六价铬[Cr(VI)] |
China National Standards duct |
English PDF |
| GB/T 39560.6-2020 |
Determination of certain substances in electrical and electronic products—Part 6: Polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry（GC-MS） 电子电气产品中某些物质的测定 第6部分：气相色谱-质谱仪（GC-MS）测定聚合物中的多溴联苯和多溴二苯醚 |
China National Standards duct |
English PDF |
| GB/T 39560.301-2020 |
Determination of certain substances in electrical and electronic products—Part 3-1: Screening lead, mercury, cadmium, total chromium and total bromine by X-ray fluorescence spectrometry 电子电气产品中某些物质的测定 第3-1部分：X射线荧光光谱法筛选铅、汞、镉、总铬和总溴 |
China National Standards duct |
English PDF |
| GB/T 39560.2-2020 |
Determination of certain substances in electrical and electronic products—Part 2: Disassembly，disjointment and mechanical sample preparation 电子电气产品中某些物质的测定 第2部分：拆解、拆分和机械制样 |
China National Standards duct |
English PDF |
| GB/T 39560.1-2020 |
Determination of certain substances in electrical and electronic products—Part 1: Introduction and overview 电子电气产品中某些物质的测定 第1部分：介绍和概述 |
China National Standards duct |
English PDF |
| GB/T 33523.71-2020 |
Geometrical product specifications (GPS)—Surface texture: Areal—Part 71: Software measurement standards 产品几何技术规范（GPS） 表面结构 区域法 第71部分：软件测量标准 |
China National Standards duct |
English PDF |
| GB/T 33523.70-2020 |
Geometrical product specifications (GPS)—Surface texture: Areal—Part 70: Material measures 产品几何技术规范（GPS） 表面结构 区域法 第70部分：实物测量标准 |
China National Standards duct |
English PDF |
| GB/T 33523.1-2020 |
Geometrical product specifications (GPS)—Surface texture: Areal—Part 1: Indication of surface texture 产品几何技术规范（GPS） 表面结构 区域法 第1部分：表面结构的表示法 |
China National Standards duct |
English PDF |
| GB/T 33014.10-2020 |
Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 10: Immunity to conducted disturbances in the extended audio frequency range 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第10部分：扩展音频范围的传导抗扰法 |
China National Standards duct |
English PDF |
| GB/T 22850-2020 |
Brocade craft products 织锦工艺制品 |
China National Standards duct |
English PDF |
| GB/T 18779.6-2020 |
Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 6: Generalized decision rules for the acceptance and rejection of instruments and workpieces 产品几何技术规范（GPS） 工件与测量设备的测量检验 第6部分：仪器和工件接受/拒收的通用判定规则 |
China National Standards duct |
English PDF |
| GB/T 18779.5-2020 |
Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 5: Uncertainty in verification testing of indicating measuring instruments 产品几何技术规范（GPS） 工件与测量设备的测量检验 第5部分：指示式测量仪器的检验不确定度 |
China National Standards duct |
English PDF |
| GB/T 18779.4-2020 |
Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 4: Background on functional limits and specification limits in decision rules 产品几何技术规范（GPS） 工件与测量设备的测量检验 第4部分：判定规则中功能限与规范限的基础 |
China National Standards duct |
English PDF |
| GB/T 5584.4-2020 |
Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 4: Strip copper conductor 电工用铜、铝及其合金扁线 第4部分：铜带 |
China National Standards duct |
English PDF |
| GB/T 26958.28-2020 |
Geometrical product specifications (GPS)—Filtration—Part 28: Profile filters：End effects 产品几何技术规范（GPS） 滤波 第28部分: 轮廓滤波器 端部效应 |
China National Standards duct |
English PDF |
| GB/T 26958.21-2020 |
Geometrical product specifications (GPS)—Filtration—Part 21: Linear profile filters: Gaussian filters 产品几何技术规范（GPS） 滤波 第21部分：线性轮廓滤波器 高斯滤波器 |
China National Standards duct |
English PDF |
| GB/T 25897-2020 |
Residual resistance ratio measurement—Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors 剩余电阻比测量 铌-钛（Nb-Ti）和铌三锡（Nb3Sn）复合超导体剩余电阻比测量 |
China National Standards duct |
English PDF |
| GB/T 24635.4-2020 |
Geometrical product specifications (GPS)—Coordinate measuring machines (CMM): Technique for determining the uncertainty of measurement—Part 4: Evaluating task-specific measurement uncertainty using simulation 产品几何技术规范（GPS） 坐标测量机（CMM） 确定测量不确定度的技术 第4部分：应用仿真技术评估特定任务的测量不确定度 |
China National Standards duct |
English PDF |
| GB/T 24635.1-2020 |
Geometrical product specifications (GPS)—Coordinate measuring machines (CMM): Technique for determining the uncertainty of measurement—Part 1: Overview and metrological characteristics 产品几何技术规范（GPS） 坐标测量机（CMM） 确定测量不确定度的技术 第1部分：概要和计量特性 |
China National Standards duct |
English PDF |
| GB/T 39704-2020 |
Determination of effective thermal conductivity for vacuum insulation panels(VIP) 真空绝热板有效导热系数的测定 |
China National Standards duct |
English PDF |
| GB/T 39692-2020 |
Rubber,vulcanized or thermoplastic—Low temperature testing—General introduction and guide 硫化橡胶或热塑性橡胶 低温试验 概述与指南 |
China National Standards duct |
English PDF |
| GB/T 39608-2020 |
Metadata for digital products of fundamental geographic information 基础地理信息数字成果元数据 |
China National Standards duct |
English PDF |
| GB/T 15076.7-2020 |
Part 7: Determination of phosphorus content in niobium 4-methyl-pentanone- [2] extraction and separation of phosphorus molybdenum blue spectrophotometry and inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第7部分：铌中磷量的测定 4-甲基-戊酮-[2]萃取分离磷钼蓝分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards duct |
English PDF |
| GB/T 15076.6-2020 |
Methods for chemical analysis of tantalum and niobium--Part 6: Determination of silicon content--Inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第6部分:硅量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards duct |
English PDF |
| GB/T 13747.4-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第4部分：铬量的测定 二苯卡巴肼分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards duct |
English PDF |
| GB/T 13747.3-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 3: Determination of nickel content--Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第3部分：镍量的测定 丁二酮肟分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards duct |
English PDF |
| GB/T 13747.27-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 27: Determination of trace impurities content--Inductively coupled plasma mass spectrometry 锆及锆合金化学分析方法 第27部分：痕量杂质元素的测定 电感耦合等离子体质谱法 |
China National Standards duct |
English PDF |
| GB/T 5801-2020 |
Rolling bearings—Needle roller bearings with machined rings—Boundary dimensions, geometrical product specifications (GPS) and tolerance values 滚动轴承 机制套圈滚针轴承 外形尺寸、产品几何技术规范（GPS）和公差值 |
China National Standards duct |
English PDF |
| GB/T 39498-2020 |
Guidelines for the use and control of key chemicals in consumer products 消费品中重点化学物质使用控制指南 |
China National Standards duct |
English PDF |
| GB/T 39468-2020 |
General methods for the validation of terrestrial quantitative remote sensing products 陆地定量遥感产品真实性检验通用方法 |
China National Standards duct |
English PDF |
| GB/T 39467-2020 |
Specifications for precision service products of BeiDou navigation satellite system 北斗精密服务产品规范 |
China National Standards duct |
English PDF |
| GB/T 39464-2020 |
Multilingual classification and named of cross-border E-commerce trading products—Footwear 跨境电子商务交易类产品多语种分类与命名 鞋 |
China National Standards duct |
English PDF |
| GB/T 39429-2020 |
Non-destructive testing—Method for thermoelectric sorting of electrically conductive materials 无损检测 导电材料热电势分选方法 |
China National Standards duct |
English PDF |
| GB/T 39385-2020 |
Plastics piping and ducting systems—Thermoplastics pipes—Determination of ring flexibility 塑料管道系统 热塑性塑料管材 环柔性的测定 |
China National Standards duct |
English PDF |
| GB/T 39359-2020 |
Integrating sphere method for the test of liquid/solid suspended photocatalytic hydrogen production reaction 积分球法测量悬浮式液固光催化制氢反应 |
China National Standards duct |
English PDF |
| GB/T 39358-2020 |
Forest certification in China—Non-timber forest products management 中国森林认证 非木质林产品经营 |
China National Standards duct |
English PDF |
| GB/T 39356-2020 |
Determination of total nickel,total cobalt,total selenium, total vanadium, total stibium,total thallium in fertilizers — Inductively coupled plasma optical emission spectroscopy 肥料中总镍、总钴、总硒、总钒、总锑、总铊含量的测定 电感耦合等离子体发射光谱法 |
China National Standards duct |
English PDF |
| GB/T 39342-2020 |
Aerospace electronic products—General specification for printed circuit board 宇航电子产品 印制电路板总规范 |
China National Standards duct |
English PDF |
| GB/T 39325-2020 |
Specification for radiation shielding of superconducting proton cyclotron 超导回旋质子加速器辐射屏蔽规范 |
China National Standards duct |
English PDF |
| GB/T 39316.1-2020 |
General resource of military and civilian—Meta data—Part 1: Supplies—Petroleum products 军民通用资源 元数据 第1部分：物资类 油品 |
China National Standards duct |
English PDF |
| GB/T 39315.1-2020 |
General resource of military and civilian—Data model—Part 1：Supplies—Petroleum products 军民通用资源 数据模型 第1部分：物资类 油品 |
China National Standards duct |
English PDF |
| GB/T 39276-2020 |
Information security technology—General security requirements of network products and services 信息安全技术 网络产品和服务安全通用要求 |
China National Standards duct |
English PDF |
| GB/T 39243-2020 |
Technical requirements and test methods of marine biosoluble mineral wool product 船用生物可溶性矿物棉制品技术要求及试验方法 |
China National Standards duct |
English PDF |
| GB/T 33588.4-2020 |
Lightning protection system components (LPSC)—Part 4: Requirements for conductor fasteners 雷电防护系统部件（LPSC）第4部分：导体的紧固件要求 |
China National Standards duct |
English PDF |
| GB/T 33588.2-2020 |
Lightning protection system components (LPSC)—Part 2: Requirements for air-termination systems,down-conductors and earth electrodes 雷电防护系统部件（LPSC）第2部分：接闪器、引下线和接地极的要求 |
China National Standards duct |
English PDF |
| GB/T 29868-2020 |
Sports protective products—Knitted products general technical requirements 运动防护用品 针织类基本技术要求 |
China National Standards duct |
English PDF |
| GB/T 25172-2020 |
Technical specification for production and preservation of fresh boar semen 猪常温精液生产与保存技术规范 |
China National Standards duct |
English PDF |
| GB/T 23114-2020 |
Plaited bamboo household products 竹编家居用品 |
China National Standards duct |
English PDF |
| GB/T 21971-2020 |
YZD series multi-speed three-phase induction motors for crane application—Technical specification YZD系列起重用多速三相异步电动机 技术条件 |
China National Standards duct |
English PDF |
| GB/T 21968-2020 |
YBZS series flameproof double-speed three-phase induction motors for crane application—Technical specification YBZS系列起重用隔爆型双速三相异步电动机 技术条件 |
China National Standards duct |
English PDF |
| GB/T 21967-2020 |
YBZE and YBZSE series flameproof electromagnetic braking three-phase induction motors for crane application—Technical specification YBZE、YBZSE系列起重用隔爆型电磁制动三相异步电动机 技术条件 |
China National Standards duct |
English PDF |
| GB/T 20660-2020 |
Petroleum and natural gas industries—Control and mitigation of fires and explosions on offshore production installations—Requirements and guidelines 石油天然气工业 海上生产设施的火灾、爆炸控制、削减措施 要求和指南 |
China National Standards duct |
English PDF |
| GB/T 18252-2020 |
Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 塑料管道系统 用外推法确定热塑性塑料材料以管材形式的长期静液压强度 |
China National Standards duct |
English PDF |
| GB/Z 6113.403-2020 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-3: Uncertainties,statistics and limit modelling—Statistical considerations in the determination of EMC compliance of mass-produced products 无线电骚扰和抗扰度测量设备和测量方法规范 第4-3部分：不确定度、统计学和限值建模 批量产品的EMC符合性确定的统计考虑 |
China National Standards duct |
English PDF |
| GB/T 5169.5-2020 |
Fire hazard testing for electric and electronic products—Part 5: Test flames—Needle-flame test method—Apparatus, confirmatory test arrangement and guidance 电工电子产品着火危险试验 第5部分：试验火焰 针焰试验方法 装置、确认试验方法和导则 |
China National Standards duct |
English PDF |
| GB/T 5169.46-2020 |
Fire hazard testing for electric and electronic products—Part 46: Test flames—Determination of the characteristic heat flux for ignition from a non-contacting flame source 电工电子产品着火危险试验 第46部分：试验火焰 非接触火焰源中起燃时特征热通量的测定 |
China National Standards duct |
English PDF |
| GB/T 5169.30-2020 |
Fire hazard testing for electric and electronic products—Part 30: Heat release—Summary and relevance of test methods 电工电子产品着火危险试验 第30部分：热释放 试验方法概要和相关性 |
China National Standards duct |
English PDF |
| GB/T 5169.29-2020 |
Fire hazard testing for electric and electronic products—Part 29: Heat release—General guidance 电工电子产品着火危险试验 第29部分：热释放 总则 |
China National Standards duct |
English PDF |
| GB/T 39397.2-2020 |
File format of international GNSS monitoring and assessment system (iGMAS)—Part 2: Products 全球连续监测评估系统（iGMAS）文件格式 第2部分：产品 |
China National Standards duct |
English PDF |
| GB/T 39396.2-2020 |
Quality requirements for international GNSS monitoring and assessment system (iGMAS)—Part 2: Products 全球连续监测评估系统（iGMAS）质量要求 第2部分：产品 |
China National Standards duct |
English PDF |
| GB/T 39334.5-2020 |
Digital simulation of mechanical products manufacturing process—Part 5: Requirements of typical process simulation 机械产品制造过程数字化仿真 第5部分：典型工艺仿真要求 |
China National Standards duct |
English PDF |
| GB/T 39334.4-2020 |
Digital simulation of mechanical products manufacturing process—Part 4: Requirements of NC machining process simulation 机械产品制造过程数字化仿真 第4部分：数控加工过程仿真要求 |
China National Standards duct |
English PDF |
| GB/T 39334.3-2020 |
Digital simulation of mechanical products manufacturing process—Part 3: Requirements of assembly workshop logistics simulation 机械产品制造过程数字化仿真 第3部分：装配车间物流仿真要求 |
China National Standards duct |
English PDF |
| GB/T 39334.2-2020 |
Digital simulation of mechanical products manufacturing process—Part 2: Requirements of production line planning and layout simulation 机械产品制造过程数字化仿真 第2部分：生产线规划和布局仿真要求 |
China National Standards duct |
English PDF |
| GB/T 39334.1-2020 |
Digital simulation of mechanical products manufacturing process—Part 1: General requirements 机械产品制造过程数字化仿真 第1部分：通用要求 |
China National Standards duct |
English PDF |
| GB/T 39381.1-2020 |
Cardiovascular implants—Vascular device-drug combination products—Part 1：General requirements 心血管植入物 血管药械组合产品 第1部分：通用要求 |
China National Standards duct |
English PDF |
| GB/T 39486-2020 |
Chemical reagent—General rules for inductively coupled plasma mass spectrometry 化学试剂 电感耦合等离子体质谱分析方法通则 |
China National Standards duct |
English PDF |
| GB/T 39301-2020 |
Disposal method for electroplating sludge reduction 电镀污泥减量化处置方法 |
China National Standards duct |
English PDF |
| GB/T 39299-2020 |
Methods for disposing reused thinner waste in the production of TFT-LCD 液晶面板制造稀释废液回收再利用方法 |
China National Standards duct |
English PDF |
| GB/T 39284-2020 |
Treatment and disposal method for filter sludge from magnesium sulfate production process 硫酸镁生产滤泥的处理处置方法 |
China National Standards duct |
English PDF |
| GB/T 24165-2020 |
Determination of polychlorinated biphenyls in dye products 染料产品中多氯联苯的测定 |
China National Standards duct |
English PDF |
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