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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 39880-2021 |
Examination methods for methadone in suspected drugs -- Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中美沙酮检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
 English PDF |
| GB/T 39879-2021 |
Examination methods for five components in opium in suspected drugs - Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中鸦片五种成分检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39878-2021 |
Examination methods for estazolam in suspected drugs - Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中艾司唑仑检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39877-2021 |
Examination methods for diazepam in suspected drugs—Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中地西泮检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39876-2021 |
Examination methods for cocaine in suspected drugs—Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中可卡因检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39875-2021 |
Examination methods for chlordiazepoxide in suspected drugs—Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中氯氮卓检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39874-2021 |
Examination methods for bromazepam in suspected drugs—Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中溴西泮检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 40062-2021 |
Method for determination of total inorganic chloride in denatured fuel ethanol and fuel ethanol—Ion chromatograpHy 变性燃料乙醇和燃料乙醇中总无机氯的测定方法 离子色谱法 |
China National Standards pH |
English PDF |
| GB/T 39999-2021 |
Determination of 15 kinds of prohibited quinolone-type antibiotics in cosmetics including enrofloxacin—Liquid chromatograpHy-tandem mass spectrometry 化妆品中恩诺沙星等15种禁用喹诺酮类抗生素的测定 液相色谱-串联质谱法 |
China National Standards pH |
English PDF |
| GB/T 39998-2021 |
Paper, board and paper products—Determination of alkylpHenol polyethoxylates—HPLC-MS method 纸、纸板和纸制品 烷基苯酚聚氧乙烯醚类的测定 高效液相色谱质谱法 |
China National Standards pH |
English PDF |
| GB/T 39952-2021 |
Titanium dioxide-based dispersion for pHotocatalysis 二氧化钛基光催化分散液 |
China National Standards pH |
English PDF |
| GB/T 19346.3-2021 |
Methods of measurement of amorpHous and nanocrystalline alloys-Part 3:AC magnetic properties of Fe-based amorphous strip using a single sheet specimen 非晶纳米晶合金测试方法 第3部分：铁基非晶单片试样交流磁性能 |
China National Standards pH |
English PDF |
| GB/T 16895.32-2021 |
Low voltage electrical installations - Part 7-712: Requirements for special installations or locations - Solar pHotovoltaic (PV) power supply systems 低压电气装置 第7-712部分：特殊装置或场所的要求 太阳能光伏（PV）电源系统 |
China National Standards pH |
English PDF |
| GB/T 9966.18-2021 |
Test methods for natural stone-Part 18:PetrograpHic examination 天然石材试验方法 第18部分：岩相分析 |
China National Standards pH |
English PDF |
| GB/T 17650.2-2021 |
Test on gases evolved during combustion of materials from cables or optical fiber cables - Part 2: Determination of acidity (by pH measurement) and conductivity 取自电缆或光缆的材料燃烧时释出气体的试验方法 第2部分：酸度（用pH测量）和电导率的测定 |
China National Standards pH |
English PDF |
| GB/T 39753-2021 |
General technology requirements for pHotovoltaic (PV) module recycling and recovery 光伏组件回收再利用通用技术要求 |
China National Standards pH |
English PDF |
| GB/T 21432-2021 |
GrapHite pressure vessels 石墨制压力容器 |
China National Standards pH |
English PDF |
| 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 |
China National Standards pH |
English PDF |
| GB/T 39946-2021 |
Determination of prohibited Para Red in lip cosmetics -- High performance liquid chromatograpHy 唇用化妆品中禁用物质对位红的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 39927-2021 |
Determination of prohibited substances veratrine in cosmetics—High performance liquid chromatograpHy 化妆品中禁用物质藜芦碱的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 39873-2021 |
Determination of quaternary ammonium salt in disinfectant—Liquid chromatograpHy-tandem mass spectrometry 消毒剂中季铵盐的测定 液相色谱-串联质谱法 |
China National Standards pH |
English PDF |
| GB/T 39867-2021 |
Bismuth germanate scintillation crystal for positron emission tomograpHy 正电子发射断层扫描仪用锗酸铋闪烁晶体 |
China National Standards pH |
English PDF |
| GB/T 39857-2021 |
Specification of pHotovoltaic power generation efficiency 光伏发电效率技术规范 |
China National Standards pH |
English PDF |
| GB/T 39854-2021 |
Specification of performance evaluation for pHotovoltaic power station 光伏发电站性能评估技术规范 |
China National Standards pH |
English PDF |
| GB/T 39846-2021 |
LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (pHase 1)—Interface between trunking core network and dispach console 基于LTE技术的宽带集群通信（B-TrunC）系统 接口测试方法（第一阶段） 集群核心网到调度台接口 |
China National Standards pH |
English PDF |
| GB/T 39845-2021 |
LTE-based broadband trunking communication(B-TrunC) system—Technical requirements for network equipments（pHase 1) 基于LTE技术的宽带集群通信（B-TrunC）系统 网络设备技术要求（第一阶段） |
China National Standards pH |
English PDF |
| GB/T 39840-2021 |
LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (pHase 1)—Air interface 基于LTE技术的宽带集群通信（B-TrunC）系统 接口测试方法（第一阶段） 空中接口 |
China National Standards pH |
English PDF |
| GB/T 39839-2021 |
LTE-based broadband trunking communication (B-TrunC) system -- Technical requirements for user equipments (pHase 1) 基于LTE技术的宽带集群通信（B-TrunC）系统 终端设备技术要求（第一阶段） |
China National Standards pH |
English PDF |
| GB/T 39838-2021 |
LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (pHase 1)—Interface between UE and trunking core network 基于LTE技术的宽带集群通信（B-TrunC）系统 接口测试方法（第一阶段） 终端到集群核心网接口 |
China National Standards pH |
English PDF |
| GB/T 39827.2-2021 |
Plastics -- Post-consumer poly(ethylene terepHthalate)(PET) bottle recyclates -- Part 2: Preparation of test specimens and determination properties 塑料 用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物 第2部分：试样制备和性能测定 |
China National Standards pH |
English PDF |
| GB/T 39827.1-2021 |
Plastics -- Post-consumer poly(ethylene terepHthalate) (PET) bottle recyclates -- Part 1: Designation system and basis for specifications 塑料 用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物 第1部分：命名系统和分类基础 |
China National Standards pH |
English PDF |
| GB/T 39786-2021 |
Information security technology—Baseline for information system cryptograpHy application 信息安全技术 信息系统密码应用基本要求 |
China National Standards pH |
English PDF |
| GB/T 39765-2021 |
Determination of benzene,methylbenzene,ethylbenzene,dimethybenzene in stationery—Gas chromatograpHic method 文具中苯、甲苯、乙苯及二甲苯的测定方法 气相色谱法 |
China National Standards pH |
English PDF |
| GB/T 39764-2021 |
Volatile organic compounds from upHolstered furniture—On-site and rapid detection method 软体家具中挥发性有机化合物 现场快速检测方法 |
China National Standards pH |
English PDF |
| GB/T 39750-2021 |
Technology requirements of DC arc-fault circuit protection for pHotovoltaic power system 光伏发电系统直流电弧保护技术要求 |
China National Standards pH |
English PDF |
| GB/T 28170.2-2021 |
Information technology—Computer grapHics and image processing—Extensible 3D(X3D)—Part 2: Scene access interface(SAI) 信息技术 计算机图形和图像处理 可扩展三维组件(X3D) 第2部分：场景访问接口(SAI) |
China National Standards pH |
English PDF |
| GB/T 18802.32-2021 |
Low-voltage surge protective devices—Part 32: Surge protective devices connected to pHotovoltaic installations—Selection and application principles 低压电涌保护器 第32部分：用于光伏系统的电涌保护器 选择和使用导则 |
China National Standards pH |
English PDF |
| GB/T 18802.31-2021 |
Low-voltage surge protective devices -- Part 31: Surge protective devices connected to pHotovoltaic installations -- Requirements and test methods 低压电涌保护器 第31部分：用于光伏系统的电涌保护器 性能要求和试验方法 |
China National Standards pH |
English PDF |
| GB/T 18638-2021 |
Diagnostic techniques for Japanese encepHalitis 流行性乙型脑炎诊断技术 |
China National Standards pH |
English PDF |
| GB/T 16903-2021 |
Rules for the presentation of grapHical symbols for use on signs -- Design principles and requirements for public information graphical symbols 标志用图形符号表示规则 公共信息图形符号的设计原则与要求 |
China National Standards pH |
English PDF |
| GB/T 14352.19-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, pHosphorus, lead, strontium, vanadium and zinc content -- Inductive-coupled plasma atomic emission spe 钨矿石、钼矿石化学分析方法 第19部分：铋、镉、钴、铜、铁、锂、镍、磷、铅、锶、钒和锌量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards pH |
English PDF |
| GB/T 10001.9-2021 |
Public information grapHical symbols—Part 9: Symbols for accessible facilities 公共信息图形符号 第9部分：无障碍设施符号 |
China National Standards pH |
English PDF |
| GB/T 10001.7-2021 |
Public information grapHical symbols—Part 7: Symbols for office and teaching 公共信息图形符号 第7部分：办公教学符号 |
China National Standards pH |
English PDF |
| GB/T 10001.6-2021 |
Public information grapHical symbols—Part 6: Symbols for medical treatment and health care 公共信息图形符号 第6部分：医疗保健符号 |
China National Standards pH |
English PDF |
| GB/T 10001.5-2021 |
Public information grapHical symbols—Part 5: Symbols for shopping 公共信息图形符号 第5部分：购物符号 |
China National Standards pH |
English PDF |
| GB/T 10001.4-2021 |
Public information grapHical symbols—Part 4: Symbols for recreation sport 公共信息图形符号 第4部分：运动健身符号 |
China National Standards pH |
English PDF |
| GB/T 10001.3-2021 |
Public information grapHical symbols—Part 3：Symbols for passenger and cargo transport 公共信息图形符号 第3部分：客运货运符号 |
China National Standards pH |
English PDF |
| GB/T 10001.2-2021 |
Public information grapHical symbols—Part 2: Symbols for tourism and entertainment 公共信息图形符号 第2部分：旅游休闲符号 |
China National Standards pH |
English PDF |
| GB/T 7308.3-2021 |
Plain bearings—Thin-walled half bearings with or without flange—Part 3: Measurement of peripHeral length 滑动轴承 有法兰或无法兰薄壁轴瓦 第3部分:周长测量 |
China National Standards pH |
English PDF |
| GB/T 41073-2021 |
Surface chemical analysis -- Electron spectroscopies -- Minimum reporting requirements for peak fitting in X-ray pHotoelectron spectroscopy 表面化学分析 电子能谱 X射线光电子能谱峰拟合报告的基本要求 |
China National Standards pH |
English PDF |
| GB/T 14598.118-2021 |
Measuring relays and protection equipment -- Part 118: SynchropHasor for power systems -- Measurements 量度继电器和保护装置 第118部分：电力系统同步相量 测量 |
China National Standards pH |
English PDF |
| GB/T 41114-2021 |
Non-destructive testing -- Ultrasonic testing -- Specification for a calibration block for pHased array testing(PAUT) 无损检测? 超声检测 相控阵超声检测标准试块规范 |
China National Standards pH |
English PDF |
| GB/T 41123.3-2021 |
Non-destructive testing—Radiation methods for industrial computed tomograpHy—Part 3:Qualification 无损检测 工业射线计算机层析成像检测 第3部分：验证 |
China National Standards pH |
English PDF |
| GB/T 41123.2-2021 |
Non-destructive testing—Radiation methods for industrial computed tomograpHy—Part 2:Operation and interpretation 无损检测 工业射线计算机层析成像检测 第2部分：操作和解释 |
China National Standards pH |
English PDF |
| GB/T 41123.1-2021 |
Non-destructive testing -- Radiation methods for industrial computed tomograpHy -- Part 1: Principles, equipment and samples 无损检测 工业射线计算机层析成像检测 第1部分：原理、设备和样品 |
China National Standards pH |
English PDF |
| GB/T 12604.12-2021 |
Non-destructive testing -- Terminology -- Part 12: Radiation methods for industrial computed tomograpHy 无损检测? 术语? 第12部分：工业射线计算机层析成像检测 |
China National Standards pH |
English PDF |
| GB/T 2449.1-2021 |
SulpHur for industrial use—Part 1: Solid product 工业硫磺 第1部分：固体产品 |
China National Standards pH |
English PDF |
| GB/T 24166-2021 |
Determination of the content of chlorinated pHenols in dye products 染料产品中含氯苯酚的测定 |
China National Standards pH |
English PDF |
| GB/T 3637-2021 |
Liquid sulpHur dioxide 液体二氧化硫 |
China National Standards pH |
English PDF |
| GB/T 304.9-2021 |
SpHerical plain bearings—Part 9：General technical regulations 关节轴承 第9部分：通用技术规则 |
China National Standards pH |
English PDF |
| GB/T 22473.1-2021 |
Batteries used for energy storage -- Part 1: pHotovoltaic off-grid application technical conditions 储能用蓄电池? 第1部分：光伏离网应用技术条件 |
China National Standards pH |
English PDF |
| GB/T 41225-2021 |
Limit and determination of free pHenols in phenoxy carboxylic acid herbicides 苯氧羧酸类除草剂中游离酚限量及检测方法 |
China National Standards pH |
English PDF |
| GB/T 25808-2021 |
SulpHur black 2BR、3B 200% 硫化黑2BR、3B 200% |
China National Standards pH |
English PDF |
| GB/T 41064-2021 |
Surface chemical analysis—Depth profiling—Method for sputter rate determination in X-ray pHotoelectron spectroscopy, Auger electron spectroscopy and secondary-ion mass spectrometry sputter depth profiling using single and multi-layer thin films 表面化学分析 深度剖析 用单层和多层薄膜测定X射线光电子能谱、俄歇电子能谱和二次离子质谱中深度剖析溅射速率的方法 |
China National Standards pH |
English PDF |
| GB/T 1927.20-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 20: Determination of cleavage strength 无疵小试样木材物理力学性质试验方法 第20部分：抗劈力测定 |
China National Standards pH |
English PDF |
| GB/T 1927.19-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 19: Determination of static hardness 无疵小试样木材物理力学性质试验方法 第19部分：硬度测定 |
China National Standards pH |
English PDF |
| GB/T 1927.18-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 18: Determination of resistance to impact indentation 无疵小试样木材物理力学性质试验方法 第18部分：抗冲击压痕测定 |
China National Standards pH |
English PDF |
| GB/T 1927.17-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 17: Determination of impact bending strength 无疵小试样木材物理力学性质试验方法 第17部分：冲击韧性测定 |
China National Standards pH |
English PDF |
| GB/T 18916.10-2021 |
Norm of water intake—Part 10：Chemical pHarmaceutical products 取水定额 第10部分：化学制药产品 |
China National Standards pH |
English PDF |
| GB/T 1927.12-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 12:Determination of strength in compression perpendicular to grain 无疵小试样木材物理力学性质试验方法 第12部分：横纹抗压强度测定 |
China National Standards pH |
English PDF |
| GB/T 1927.10-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 10: Determination of modulus of elasticity in bending 无疵小试样木材物理力学性质试验方法 第10部分：抗弯弹性模量测定 |
China National Standards pH |
English PDF |
| GB/T 1927.9-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 9: Determination of bending strength 无疵小试样木材物理力学性质试验方法 第9部分：抗弯强度测定 |
China National Standards pH |
English PDF |
| GB/T 1927.8-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 8: Determination of swelling 无疵小试样木材物理力学性质试验方法 第8部分：湿胀性测定 |
China National Standards pH |
English PDF |
| GB/T 41079.1-2021 |
Test methods for pHysical properties of liquid metals—Part 1:Determination of density 液态金属物理性能测定方法 第1部分：密度的测定 |
China National Standards pH |
English PDF |
| GB/T 1927.7-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 7: Determination of water absorption 无疵小试样木材物理力学性质试验方法 第7部分：吸水性测定 |
China National Standards pH |
English PDF |
| GB/T 1927.6-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 6: Determination of shrinkage 无疵小试样木材物理力学性质试验方法 第6部分：干缩性测定 |
China National Standards pH |
English PDF |
| GB/T 1927.5-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 5: Determination of density 无疵小试样木材物理力学性质试验方法 第5部分：密度测定 |
China National Standards pH |
English PDF |
| GB/T 1927.4-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 4: Determination of moisture content 无疵小试样木材物理力学性质试验方法 第4部分：含水率测定 |
China National Standards pH |
English PDF |
| GB/T 1927.3-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood 无疵小试样木材物理力学性质试验方法 第3部分：生长轮宽度和晚材率测定 |
China National Standards pH |
English PDF |
| GB/T 1927.2-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 2: Sampling methods and general requirements 无疵小试样木材物理力学性质试验方法 第2部分：取样方法和一般要求 |
China National Standards pH |
English PDF |
| GB/T 1927.1-2021 |
Test methods for pHysical and mechanical properties of small clear wood specimens—Part 1: Collection of sample tree 无疵小试样木材物理力学性质试验方法 第1部分：试材采集 |
China National Standards pH |
English PDF |
| GB/T 41080-2021 |
MetallograpHic inspection method for molybdenum and molybdenum alloys 钼及钼合金金相检验方法 |
China National Standards pH |
English PDF |
| GB/T 9441-2021 |
MetallograpHic test method for spheroidal graphite cast iron 球墨铸铁金相检验 |
China National Standards pH |
English PDF |
| GB/T 41068-2021 |
Nanotechnologies -- Determination of water-soluble anions content in grapHene-related powder -- Ion chromatography method 纳米技术 石墨烯粉体中水溶性阴离子含量的测定 离子色谱法 |
China National Standards pH |
English PDF |
| GB/T 41067-2021 |
Nanotechnologies -- Determination of sulfur, fluorine, chlorine and bromine content in grapHene related powder -- Combustion ion chromatography method 纳米技术 石墨烯粉体中硫、氟、氯、溴含量的测定 燃烧离子色谱法 |
China National Standards pH |
English PDF |
| GB/T 41212-2021 |
Nanotechnologies -- 5-(and 6)-Chloromethyl-2', 7' Dichloro-dihydrofluorescein diacetate (CM-H2DCF-DA) assay for evaluating nanoparticle-induced intracellular reactive oxygen species(ROS) production in RAW 264.7 macropHage cell line 纳米技术 荧光素二乙酸酯法检测纳米颗粒诱导巨噬细胞产生的活性氧 |
China National Standards pH |
English PDF |
| GB/T 41197-2021 |
GrapHic technology -- Communication of graphic paper properties 印刷技术? 印刷纸张特性沟通交流规则 |
China National Standards pH |
English PDF |
| GB/T 17934.5-2021 |
GrapHic technology—Process control for the production of half-tone colour separations, proofs and production prints—Part 5:Screen printing 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第5部分：网版印刷 |
China National Standards pH |
English PDF |
| GB/T 17934.3-2021 |
GrapHic technology -- Process control for the production of half-tone colour separations, proofs and production prints -- Part 3: Coldset offset lithography on newsprint 印刷技术? 网目调分色版、样张和生产印刷品的加工过程控制? 第3部分：新闻纸冷固型平版胶印 |
China National Standards pH |
English PDF |
| GB/T 6730.48-2021 |
Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectropHotometric method 铁矿石 铋含量的测定 二硫代二安替吡啉甲烷分光光度法 |
China National Standards pH |
English PDF |
| GB/T 38478-2021 |
Determination of astaxanthin opticalisomers content—Liquid chromatograpHy 虾青素旋光异构体含量的测定 液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 38479-2021 |
Determination of chitosan content -- High performance liquid chromatograpHy 壳聚糖含量测定? 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 38482-2021 |
Determination of animal type Ⅰ collagen—Polyacrylamide gel electropHoresis 动物源性I型胶原蛋白成分测定 聚丙烯酰胺凝胶电泳法 |
China National Standards pH |
English PDF |
| GB/T 32065.11-2021 |
Environmental test methods for oceanograpHic instruments—Part 11：Shock and bump test 海洋仪器环境试验方法 第11部分：冲击与碰撞试验 |
China National Standards pH |
English PDF |
| GB/T 41050-2021 |
Nanotechnologies -- Test method of the degradation of benzene by nano pHotocatalyst 纳米技术 光催化纳米材料降解苯性能测试方法 |
China National Standards pH |
English PDF |
| GB/T 41167-2021 |
General requirements for polyethylene terepHthalate(PET) bottle for drinks 聚对苯二甲酸乙二醇酯(PET)饮品瓶通用技术要求 |
China National Standards pH |
English PDF |
| GB/T 41206-2021 |
Space environment (natural and artificial) -- Cosmic ray and solar energetic particle penetration inward the magnetospHere -- Method of determination of the effective vertical cut-off rigidity 空间环境（自然和人工） 宇宙线和太阳能量粒子穿入磁层 有效垂直地磁截止刚度的确定方法 |
China National Standards pH |
English PDF |
| GB/T 41072-2021 |
Surface chemical analysis -- Electron spectroscopies -- Guidelines for ultraviolet pHotoelectron spectroscopy analysis 表面化学分析 电子能谱 紫外光电子能谱分析指南 |
China National Standards pH |
English PDF |
| GB/T 41149-2021 |
Specifications for quality requirements and evaluation of fundamental geograpHic information data 基础地理信息数据质量要求与评定 |
China National Standards pH |
English PDF |
| GB/T 40849-2021 |
Data contents for holo-grapHic location-based map 全息位置地图数据内容 |
China National Standards pH |
English PDF |
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