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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 42151.5-2022 |
CommunicatIon networks and systems for power automation - Part 5: Communication requirements for functions and device models 电力自动化通信网络和系统 第5部分：功能和装置模型的通信要求 |
China National Standards Ion |
 English PDF |
| GB/T 42201-2022 |
Intelligent manufacturing Industrial big data time series data acquisitIon and storage management 智能制造 工业大数据时间序列数据采集与存储管理 |
China National Standards Ion |
English PDF |
| GB/T 42130-2022 |
Intelligent Manufacturing - FunctIonal Requirements of Industrial Big Data System 智能制造 工业大数据系统功能要求 |
China National Standards Ion |
English PDF |
| GB/T 42135-2022 |
Intelligent Manufacturing Multimodal Data FusIon Technical Requirements 智能制造 多模态数据融合技术要求 |
China National Standards Ion |
English PDF |
| GB/T 42136-2022 |
Intelligent manufacturing - general requirements for remote operatIon and maintenance systems 智能制造 远程运维系统通用要求 |
China National Standards Ion |
English PDF |
| GB/T 42200-2022 |
Smart Manufacturing Mass PersonalizatIon Production Requirements 智能制造 大规模个性化定制 生产要求 |
China National Standards Ion |
English PDF |
| GB/T 42199-2022 |
Smart Manufacturing Mass PersonalizatIon Design Requirements 智能制造 大规模个性化定制 设计要求 |
China National Standards Ion |
English PDF |
| GB/T 42134-2022 |
Smart Manufacturing Mass PersonalizatIon Terminology 智能制造 大规模个性化定制 术语 |
China National Standards Ion |
English PDF |
| GB/T 42198-2022 |
Smart Manufacturing Mass PersonalizatIon Customization Demand Interaction Requirements 智能制造 大规模个性化定制 需求交互要求 |
China National Standards Ion |
English PDF |
| GB/T 42202-2022 |
Smart Manufacturing Mass PersonalizatIon General Requirements 智能制造 大规模个性化定制 通用要求 |
China National Standards Ion |
English PDF |
| GB/T 42172-2022 |
Essential oils - General rules for labeling and identificatIon of products 精油 产品标签标识通则 |
China National Standards Ion |
English PDF |
| GB/T 42022-2022 |
Essential oils - DeterminatIon of water content - Karl Fischer method 精油 水分含量的测定 卡尔费休法 |
China National Standards Ion |
English PDF |
| GB/T 42211-2022 |
RestoratIon and reinforcement method of dilapidated and fragile newspaper or periodical cotton net 糟朽、脆弱报纸或期刊棉网修复加固方法 |
China National Standards Ion |
English PDF |
| GB/T 42108-2022 |
InformatIon and Documentation Organizational Metadata 信息与文献 组织机构元数据 |
China National Standards Ion |
English PDF |
| GB/T 19688-2022 |
InformatIon and Documentation Data Exchange and Search Bibliographic Data Meta-Catalogue 信息与文献 数据交换和查询书目数据元目录 |
China National Standards Ion |
English PDF |
| GB/T 13081-2022 |
DeterminatIon of Mercury in Feed 饲料中汞的测定 |
China National Standards Ion |
English PDF |
| GB/T 42241-2022 |
DeterminatIon of the Purity of [60]/[70]Fullerenes in Nanotechnology High Performance Liquid Chromatography 纳米技术 [60]/[70]富勒烯纯度的测定 高效液相色谱法 |
China National Standards Ion |
English PDF |
| GB/T 42240-2022 |
Nanotechnology DeterminatIon of metallic impurities in graphene powders Inductively coupled plasma mass spectrometry 纳米技术 石墨烯粉体中金属杂质的测定 电感耦合等离子体质谱法 |
China National Standards Ion |
English PDF |
| GB/T 42193.1-2022 |
Road vehicles - CommunicatIon of emissions-related diagnostics between the vehicle and external equipment - Part 1: General information and use case definitions 道路车辆 车辆和外部设备之间排放相关诊断的通信 第1部分：一般信息和使用案例定义 |
China National Standards Ion |
English PDF |
| GB/T 22530-2022 |
Safety requirements for rubber and plastic injectIon molding machines 橡胶塑料注射成型机安全要求 |
China National Standards Ion |
English PDF |
| GB/T 42126.1-2022 |
Industrial Wireless CommunicatIon Specifications Based on Cellular Networks Part 1: General Technical Requirements 基于蜂窝网络的工业无线通信规范 第1部分： 通用技术要求 |
China National Standards Ion |
English PDF |
| GB/T 42203-2022 |
Smart Manufacturing Industrial Data Cloud AdaptatIon Specification 智能制造 工业数据 云端适配规范 |
China National Standards Ion |
English PDF |
| GB/T 42127-2022 |
Intelligent manufacturing industrial data collectIon specification 智能制造 工业数据 采集规范 |
China National Standards Ion |
English PDF |
| GB/T 42128-2022 |
Smart Manufacturing Industrial Data ClassificatIon Principles 智能制造 工业数据 分类原则 |
China National Standards Ion |
English PDF |
| GB/T 42152-2022 |
General specificatIon for remanufacturing waste office consumables and accessories 废旧办公耗材与配件再制造通用规范 |
China National Standards Ion |
English PDF |
| GB/T 42107-2022 |
Archiving and file management norms for major natIonal science and technology projects 国家科技重大专项文件归档与档案管理规范 |
China National Standards Ion |
English PDF |
| GB/T 3730.1-2022 |
Terms and definitIons for motor vehicles, trailers and motor trains - Part 1: Types 汽车、挂车及汽车列车的术语和定义 第1部分：类型 |
China National Standards Ion |
English PDF |
| GB/T 42140-2022 |
InformatIon technology; Cloud computing; Cloud operating system performance testing indicators and measurement methods 信息技术 云计算 云操作系统性能测试指标和度量方法 |
China National Standards Ion |
English PDF |
| GB/T 42209-2022 |
Point-to-point (P2P) signal interface transmissIon protocol for liquid crystal display 液晶显示屏用点对点（P2P）信号接口 传输协议 |
China National Standards Ion |
English PDF |
| GB/T 42150.1-2022 |
SpecificatIon for detection of in-situ relay protection device Part 1: General part 就地化继电保护装置检测规范 第1部分：通用部分 |
China National Standards Ion |
English PDF |
| GB/T 41925-2022 |
ClassificatIon of Urban Underground Space and Underground Engineering 城市地下空间与地下工程分类 |
China National Standards Ion |
English PDF |
| GB/T 5532-2022 |
Animal and vegetable fats and oils - DeterminatIon of iodine value 动植物油脂 碘值的测定 |
China National Standards Ion |
English PDF |
| GB/T 42208-2022 |
Nanotechnology - Size measurement of nanoparticles in multiphase systems - TransmissIon electron microscopy imaging 纳米技术 多相体系中纳米颗粒粒径测量 透射电镜图像法 |
China National Standards Ion |
English PDF |
| GB/T 42207.5-2022 |
Connectors for electronic equipment - Product requirements - Rectangular connectors - Part 5: Detail specificatIon for snap lock rewirable power connectors with rated voltage DC 250 V and rated current 30 A 电子设备用连接器 产品要求 矩形连接器 第5部分：额定电压直流250 V额定电流30 A卡扣锁紧可重复接线电源连接器详细规范 |
China National Standards Ion |
English PDF |
| GB/T 42243-2022 |
General Technical SpecificatIons for Organic Light Emitting Diode (OLED) Televisions 有机发光二极管(OLED)电视机通用技术规范 |
China National Standards Ion |
English PDF |
| GB/T 42228-2022 |
Grain storage Technical specificatIons for safe storage of rice 粮食储藏 大米安全储藏技术规范 |
China National Standards Ion |
English PDF |
| GB/T 2659.1-2022 |
Codes of names of countries and regIons and their administrative divisions in the world Part 1: Codes of countries and regions 世界各国和地区及其行政区划名称代码 第1部分：国家和地区代码 |
China National Standards Ion |
English PDF |
| GB/T 2659.2-2022 |
Codes of names of countries and regIons and their administrative divisions in the world Part 2: Codes of administrative divisions 世界各国和地区及其行政区划名称代码 第2部分：行政区划代码 |
China National Standards Ion |
English PDF |
| GB/T 41066.2-2022 |
Oil and gas drilling and productIon equipment Offshore oil semi-submersible drilling platform Part 2: Construction, installation, commissioning and acceptance 石油天然气钻采设备 海洋石油半潜式钻井平台 第2部分：建造安装和调试验收 |
China National Standards Ion |
English PDF |
| GB/T 41066.3-2022 |
Oil and gas drilling equipment - Offshore oil semi-submersible drilling platform - Part 3: OperatIon and inspection 石油天然气钻采设备 海洋石油半潜式钻井平台 第3部分：操作和检验 |
China National Standards Ion |
English PDF |
| GB/T 22342-2022 |
Oil and gas drilling equipment Design, installatIon, operation, test and maintenance of downhole safety valve system 石油天然气钻采设备 井下安全阀系统设计、安装、操作、试验和维护 |
China National Standards Ion |
English PDF |
| GB/T 42118-2022 |
SpecificatIons for the construction of straw collection, storage and transportation system 秸秆收储运体系建设规范 |
China National Standards Ion |
English PDF |
| GB/T 8333-2022 |
Plastics - Test method for combustIon behavior of rigid foamed plastics - Vertical combustion method 塑料 硬质泡沫塑料燃烧性能试验方法 垂直燃烧法 |
China National Standards Ion |
English PDF |
| GB/T 5275.2-2022 |
Gas analysis - PreparatIon of calibration gas mixtures by dynamic method - Part 2: Piston pumps 气体分析 动态法制备校准用混合气体 第2部分：活塞泵 |
China National Standards Ion |
English PDF |
| GB/T 41962-2022 |
Technical specificatIons for laboratory waste storage devices 实验室废弃物存储装置技术规范 |
China National Standards Ion |
English PDF |
| GB/T 28181-2022 |
Technical requirements for informatIon transmission, exchange and control of public security video surveillance networking system 公共安全视频监控联网系统信息传输、交换、控制技术要求 |
China National Standards Ion |
English PDF |
| GB/T 41953-2022 |
Paints and varnishes - DeterminatIon of moisture content in coatings - Gas chromatography 色漆和清漆 涂料中水分含量的测定 气相色谱法 |
China National Standards Ion |
English PDF |
| GB/T 33523.72-2022 |
Product Geometry SpecificatIon (GPS) Surface Structure Area Method Part 72: XML File Format x3p 产品几何技术规范（GPS）表面结构 区域法 第72部分：XML文件格式x3p |
China National Standards Ion |
English PDF |
| GB/T 42255-2022 |
General specificatIon for stainless steel solid rivets for aerospace 航空航天用不锈钢实心铆钉通用规范 |
China National Standards Ion |
English PDF |
| GB/T 31392-2022 |
Technical guidelines for mine water utilizatIon in coal mines 煤矿矿井水利用技术导则 |
China National Standards Ion |
English PDF |
| GB/T 42252-2022 |
Torque and pretightening force test method of high lock nut for aviatIon 航空用高锁螺母力矩及预紧力测试方法 |
China National Standards Ion |
English PDF |
| GB/T 42181-2022 |
Test method for tightening torque of threaded blind rivets used in aviatIon 航空用螺纹抽芯铆钉锁紧力矩测试方法 |
China National Standards Ion |
English PDF |
| GB/T 38812.4-2022 |
Direct reduced iron - DeterminatIon of metallic iron content - Bromine-methanol titration 直接还原铁 金属铁含量的测定 溴-甲醇滴定法 |
China National Standards Ion |
English PDF |
| GB/T 42279-2022 |
Vulcanized or thermoplastic rubber DeterminatIon of tensile set at constant elongation and determination of tensile set, elongation and creep at constant tensile load 硫化橡胶或热塑性橡胶 在恒定伸长率下测定拉伸永久变形及在恒定拉伸载荷下测定拉伸永久变形、伸长率和蠕变 |
China National Standards Ion |
English PDF |
| GB/T 42278-2022 |
Vulcanized rubber - DeterminatIon of hot tensile stress 硫化橡胶 热拉伸应力的测定 |
China National Standards Ion |
English PDF |
| GB/T 41948-2022 |
Particle CharacterizatIon Sample Preparation 颗粒表征 样品准备 |
China National Standards Ion |
English PDF |
| GB/T 42162-2022 |
Raw rubber - DeterminatIon of residual monomers and other volatile low molecular weight compounds by capillary gas chromatography - Thermal desorption (dynamic headspace) method 生橡胶 毛细管气相色谱测定残留单体和其他挥发性低分子量化合物 热脱附（动态顶空）法 |
China National Standards Ion |
English PDF |
| GB/T 42266-2022 |
Flexible porous polymeric materials - Laboratory evaluatIon of the combustion characteristics of small specimens in the horizontal direction under a small flame 柔性多孔聚合物材料 小试样在小火焰下水平方向燃烧特性的实验室评估 |
China National Standards Ion |
English PDF |
| GB/T 42258-2022 |
DeterminatIon of Fatigue Properties of Flexible Porous Polymer Materials by Constant Deformation Method 柔性多孔聚合物材料 恒定形变法测定疲劳性能 |
China National Standards Ion |
English PDF |
| GB/T 42267-2022 |
DeterminatIon of compression set of flexible porous polymeric materials under wet conditions 柔性多孔聚合物材料 在潮湿条件下压缩永久变形的测定 |
China National Standards Ion |
English PDF |
| GB/T 39693.8-2022 |
Vulcanized rubber or thermoplastic rubber - DeterminatIon of hardness - Part 8: Determination of apparent hardness of rubber rollers by Zhao's hardness (P&J) method 硫化橡胶或热塑性橡胶 硬度的测定 第8部分：赵氏硬度（P&J)法测定胶辊的表观硬度 |
China National Standards Ion |
English PDF |
| GB/T 39693.7-2022 |
Vulcanized rubber or thermoplastic rubber - DeterminatIon of hardness - Part 7: Determination of the apparent hardness of rubber rollers by the Shore hardness method 硫化橡胶或热塑性橡胶 硬度的测定 第7部分：邵氏硬度法测定胶辊的表观硬度 |
China National Standards Ion |
English PDF |
| GB/T 41938-2022 |
Rubber compounding agent - Precipitated hydrated silica - EvaluatIon method in mixtures of solution-polymerized styrene-butadiene rubber (S-SBR) and butadiene rubber (BR) 橡胶配合剂 沉淀水合二氧化硅 在溶聚丁苯橡胶(S-SBR)和丁二烯橡胶(BR)混合物中的评价方法 |
China National Standards Ion |
English PDF |
| GB/T 41956-2022 |
DeterminatIon of fluff amount of carbon fiber tow 碳纤维丝束起毛量的测定 |
China National Standards Ion |
English PDF |
| GB/T 26949.2-2022 |
Industrial vehicles - Stability verificatIon - Part 2: Counterbalanced forklifts 工业车辆 稳定性验证 第2部分：平衡重式叉车 |
China National Standards Ion |
English PDF |
| GB/T 3780.29-2022 |
Carbon black - Part 29: DeterminatIon of solvent extractables 炭黑 第29部分：溶剂可萃取物的测定 |
China National Standards Ion |
English PDF |
| GB/T 41955-2022 |
Non-opening compressIon test method for multidirectional laminates of polymer matrix composites 聚合物基复合材料多向层合板无开孔压缩试验方法 |
China National Standards Ion |
English PDF |
| GB/T 26958.71-2022 |
Product Geometric SpecificatIons (GPS) Filtering Part 71: Robust Region Filters Gaussian Regression Filters 产品几何技术规范（GPS） 滤波 第71部分：稳健区域滤波器 高斯回归滤波器 |
China National Standards Ion |
English PDF |
| GB/T 33523.606-2022 |
Geometric Product SpecificatIon (GPS) Surface Structure Area Method Part 606: Nominal Characteristics of Non-Contact (Zoom) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第606部分：非接触（变焦）式仪器的标称特性 |
China National Standards Ion |
English PDF |
| GB/T 33523.605-2022 |
Product Geometric SpecificatIons (GPS) Surface Structure Area Method Part 605: Nominal Characteristics of Non-Contact (Point AF Probe) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第605部分：非接触（点自动对焦探针）式仪器的标称特性 |
China National Standards Ion |
English PDF |
| GB/T 33523.602-2022 |
Product Geometry SpecificatIon (GPS) Surface Structure Area Method Part 602: Nominal Characteristics of Non-Contact (Confocal Chromatic Probe) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第602部分：非接触（共聚焦色差探针）式仪器的标称特性 |
China National Standards Ion |
English PDF |
| GB/T 26958.85-2022 |
Geometric Product SpecificatIon (GPS) Filtering Part 85: Morphological Region Filters Segmentation 产品几何技术规范（GPS） 滤波 第85部分：形态学区域滤波器 分割 |
China National Standards Ion |
English PDF |
| GB/T 42084-2022 |
Product Geometric SpecificatIon (GPS) Extraction 产品几何技术规范(GPS) 提取 |
China National Standards Ion |
English PDF |
| GB/T 16857.9-2022 |
Geometric Product SpecificatIon (GPS) Coordinate Measuring System (CMS) Acceptance and Re-inspection Testing Part 9: Coordinate Measuring Machines Equipped with Multiple Probing Systems 产品几何技术规范（GPS） 坐标测量系统（CMS）的验收检测和复检检测 第9部分：配备多种探测系统的坐标测量机 |
China National Standards Ion |
English PDF |
| GB/T 16857.8-2022 |
Geometric Product SpecificatIon (GPS) Coordinate Measuring System (CMS) Acceptance and Re-inspection Testing Part 8: Coordinate Measuring Machines Using Optical Distance Sensors 产品几何技术规范（GPS） 坐标测量系统（CMS）的验收检测和复检检测 第8部分：使用光学距离传感器的坐标测量机 |
China National Standards Ion |
English PDF |
| GB/T 16857.7-2022 |
Product Geometric SpecificatIon (GPS) Coordinate Measuring System (CMS) Acceptance Test and Re-inspection Test Part 7: Coordinate Measuring Machine Equipped with Image Detection System 产品几何技术规范(GPS) 坐标测量系统（CMS）的验收检测和复检检测 第7部分：配置影像探测系统的坐标测量机 |
China National Standards Ion |
English PDF |
| GB/T 16857.12-2022 |
Geometric product specificatIon (GPS) Acceptance testing and re-inspection testing of coordinate measuring systems (CMS) Part 12: Coordinate measuring machines with articulated arms 产品几何技术规范（GPS） 坐标测量系统（CMS）的验收检测和复检检测 第12部分：关节臂式坐标测量机 |
China National Standards Ion |
English PDF |
| GB/T 16857.10-2022 |
Geometric Product SpecificatIon (GPS) Coordinate Measuring System (CMS) Acceptance Test and Re-inspection Test Part 10: Laser Tracker 产品几何技术规范（GPS） 坐标测量系统（CMS）的验收检测和复检检测 第10部分：激光跟踪仪 |
China National Standards Ion |
English PDF |
| GB/T 33523.604-2022 |
Product Geometry SpecificatIon (GPS) Surface Structure Area Method Part 604: Nominal Characteristics of Non-Contact (Coherent Scanning Interferometry) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第604部分：非接触（相干扫描干涉）式仪器的标称特性 |
China National Standards Ion |
English PDF |
| GB/T 33523.603-2022 |
Product Geometry SpecificatIon (GPS) Surface Structure Area Method Part 603: Nominal Properties of Non-Contact (Phase Shift Interferometry) Type Instruments 产品几何技术规范（GPS） 表面结构 区域法 第603部分：非接触（相移干涉显微）式仪器的标称特性 |
China National Standards Ion |
English PDF |
| GB/T 33523.3-2022 |
Geometric Product SpecificatIon (GPS) Surface Structure Area Method Part 3: Set of Specification Operations 产品几何技术规范（GPS） 表面结构 区域法 第3部分：规范操作集 |
China National Standards Ion |
English PDF |
| GB/T 42178-2022 |
Requirements for the interface of cargo entering and exiting the space statIon airlock 空间站气闸舱进出货物接口要求 |
China National Standards Ion |
English PDF |
| GB/T 42177-2022 |
Technical requirements and test methods for hydrogen valves in hydrogen refueling statIons 加氢站氢气阀门技术要求及试验方法 |
China National Standards Ion |
English PDF |
| GB/T 42269-2022 |
SeparatIon membrane pore size test method - gas permeation method 分离膜孔径测试方法 气体渗透法 |
China National Standards Ion |
English PDF |
| GB/T 41946-2022 |
Rubber - DeterminatIon of total sulfur content - Ion chromatography 橡胶 全硫含量的测定 离子色谱法 |
China National Standards Ion |
English PDF |
| GB/T 41945-2022 |
Rubber and vulcanizate - DeterminatIon of metal content by inductively coupled plasma optical emission spectrometry (ICP-OES) 生胶和硫化胶 用电感耦合等离子体发射光谱仪(ICP-OES)测定金属含量 |
China National Standards Ion |
English PDF |
| GB/T 41939-2022 |
DeterminatIon of magnesium content in rubber - Atomic absorption spectrometry 橡胶中镁含量的测定 原子吸收光谱法 |
China National Standards Ion |
English PDF |
| GB/T 41940-2022 |
Rubber - DeterminatIon of Viscosity and Stress Relaxation with a Rotorless Closed Shear Rheometer 橡胶 用无转子密闭剪切流变仪测定黏度和应力松弛 |
China National Standards Ion |
English PDF |
| GB/T 41941-2022 |
Vulcanized rubber - DeterminatIon of fatigue crack growth rate 硫化橡胶 疲劳裂纹扩展速率的测定 |
China National Standards Ion |
English PDF |
| GB/T 42122-2022 |
Vulcanized rubber or thermoplastic rubber - DeterminatIon of abrasion resistance (modified Lamborn abrasion tester method) 硫化橡胶或热塑性橡胶 耐磨性能的测定（改进型兰伯恩磨耗试验机法） |
China National Standards Ion |
English PDF |
| GB/T 13747.26-2022 |
Methods for chemical analysis of zirconium and zirconium alloys - Part 26: DeterminatIon of alloys and impurity elements - Inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第26部分：合金及杂质元素的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Ion |
English PDF |
| GB/T 37211.3-2022 |
Methods for chemical analysis of germanium metal - Part 3: DeterminatIon of trace impurity elements - Glow discharge mass spectrometry 金属锗化学分析方法 第3部分:痕量杂质元素的测定 辉光放电质谱法 |
China National Standards Ion |
English PDF |
| GB/T 42274-2022 |
DeterminatIon of content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials Secondary ion mass spectrometry 氮化铝材料中痕量元素（镁、镓）含量及分布的测定 二次离子质谱法 |
China National Standards Ion |
English PDF |
| GB/T 42263-2022 |
DeterminatIon of nitrogen content in silicon single crystals - Secondary ion mass spectrometry 硅单晶中氮含量的测定 二次离子质谱法 |
China National Standards Ion |
English PDF |
| 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 |
China National Standards Ion |
English PDF |
| GB/T 42277-2022 |
Test method for carbonatIon of cement mortar 水泥胶砂碳化性试验方法 |
China National Standards Ion |
English PDF |
| GB/T 42268-2022 |
Ethylene-propylene-diene rubber (EPDM) evaluatIon method 乙烯-丙烯-二烯烃橡胶(EPDM) 评价方法 |
China National Standards Ion |
English PDF |
| GB/T 14352.24-2022 |
Methods for chemical analysis of tungsten ore and molybdenum ore - Part 24: DeterminatIon of germanium content - Inductively coupled plasma mass spectrometry 钨矿石、钼矿石化学分析方法 第24部分：锗含量的测定 电感耦合等离子体质谱法 |
China National Standards Ion |
English PDF |
| GB/T 42265-2022 |
Test method for air purificatIon performance of photocatalytic materials - Removal of toluene 光催化材料空气净化性能测试方法 甲苯的去除 |
China National Standards Ion |
English PDF |
| GB/T 42249-2022 |
Technical indicators and calculatIon methods for comprehensive utilization of mineral resources 矿产资源综合利用技术指标及其计算方法 |
China National Standards Ion |
English PDF |
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