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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 40124-2021 |
Technical requirements and test Methods of regenerated sulphuric acid 再生硫酸技术要求及试验方法 |
China National Standards Method |
 English PDF |
| GB/T 40120-2021 |
Agricultural irrigation equipment—Thermoplastic collapsible hoses for irrigation—Specifications and test Methods 农业灌溉设备 灌溉用热塑性可折叠软管 技术规范和试验方法 |
China National Standards Method |
English PDF |
| GB/T 40114-2021 |
Jewellery—Determination of precious metal content—Difference Method using inductively coupled plasma optical emission spectroscopy 首饰 贵金属含量的测定 ICP差减法 |
China National Standards Method |
English PDF |
| GB/T 40111-2021 |
Standard test Method for fluorine,chlorine and sulfur in petroleum products—Combustion-ion chromatography 石油产品中氟、氯和硫含量的测定 燃烧-离子色谱法 |
China National Standards Method |
English PDF |
| GB/T 40109-2021 |
Surface chemical analysis - Secondary-ion mass spectrometry - Method for depth profiling of boron in silicon 表面化学分析 二次离子质谱 硅中硼深度剖析方法 |
China National Standards Method |
English PDF |
| GB/T 40101-2021 |
Ultrasonic testing Method for stainless steel bars,plates and forgings of PWR nuclear fuel assembly and associated assembly 压水堆核燃料组件和相关组件用不锈钢棒、板、锻件超声波检测方法 |
China National Standards Method |
English PDF |
| GB/T 40100-2021 |
Life cycle assessment Method for electric machine 电机产品生命周期评价方法 |
China National Standards Method |
English PDF |
| GB/T 40093-2021 |
Life cycle assessment Method for transformer 变压器产品生命周期评价方法 |
China National Standards Method |
English PDF |
| GB/T 40071-2021 |
Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Optical contrast Method 纳米技术 石墨烯相关二维材料的层数测量 光学对比度法 |
China National Standards Method |
English PDF |
| GB/T 40069-2021 |
Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Raman spectroscopy Method 纳米技术 石墨烯相关二维材料的层数测量 拉曼光谱法 |
China National Standards Method |
English PDF |
| GB/T 40007-2021 |
Nanotechnology—Contacting Methods for measuring the resistivity of nanomaterials—General rules 纳米技术 纳米材料电阻率的接触式测量方法 通则 |
China National Standards Method |
English PDF |
| GB/T 39978-2021 |
Nanotechnology—Resistivity of carbon nanotube powder—Four probe Method 纳米技术 碳纳米管粉体电阻率 四探针法 |
China National Standards Method |
English PDF |
| GB/T 38051.1-2021 |
Household electric cooking appliances—Part 1：Ranges, ovens, steam ovens and grills—Methods for measuring performance 家用烹饪电器 第1部分：电灶、烤箱、蒸箱和烤架 性能测试方法 |
China National Standards Method |
English PDF |
| GB/T 38047.2-2021 |
Evaluation Methods for reliability on smart household appliances - Part 2: Special requirements for room air conditioners 智能家用电器可靠性评价方法 第2部分：房间空气调节器的特殊要求 |
China National Standards Method |
English PDF |
| 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 |
China National Standards Method |
English PDF |
| GB/T 31838.7-2021 |
Solid insulating materials - Dielecteric and resistive properties - Part 7: Resistive properties(DC Method) - Measurement of volume resistance and volume resistivity at elevated temperatures 固体绝缘材料 介电和电阻特性 第7部分：电阻特性(DC方法) 高温下测量体积电阻和体积电阻率 |
China National Standards Method |
English PDF |
| GB/T 31838.6-2021 |
Solid insulating materials—Dielectric and resistive properties—Part 6:Dielectric properties(AC Method)—Relative permittivity and dielectric dissipation factor(frequencies 0.1Hz～10 MHz) 固体绝缘材料 介电和电阻特性 第6部分：介电特性（AC方法） 相对介电常数和介质损耗因数（频率0.1Hz~10MHz） |
China National Standards Method |
English PDF |
| GB/T 31838.5-2021 |
Solid insulating materials - Dielectric and resistive properties - Part 5: Resistive properties(DC Method) - Volume resistance and volume resistivity of impregnation and coating materials 固体绝缘材料 介电和电阻特性 第5部分：电阻特性(DC方法) 浸渍和涂层材料的体积电阻和体积电阻率 |
China National Standards Method |
English PDF |
| GB/T 29716.3-2021 |
Mechanical vibration and shock—Signal processing—Part 3:Methods of time-frequency analysis 机械振动与冲击 信号处理 第3部分：时频分析方法 |
China National Standards Method |
English PDF |
| GB/T 28543-2021 |
Noise measurement Method on power capacitors 电力电容器噪声测量方法 |
China National Standards Method |
English PDF |
| GB/T 23902-2021 |
Non-destructive testing - Ultrasonic testing - Time-of-flight diffraction technique as a Method for detection and sizing of discontinuities 无损检测 超声检测 超声衍射声时技术检测和评价方法 |
China National Standards Method |
English PDF |
| GB/T 17934.1-2021 |
Graphic technology-Process control for the production of half-tone colour separations，proof and production prints-Part 1:Parameters and measurement Methods 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1部分：参数与测量方法 |
China National Standards Method |
English PDF |
| GB/T 17751-2021 |
Survey-evaluation Method of energy utilization for transport ships 运输船舶能源利用监测评价方法 |
China National Standards Method |
English PDF |
| GB/T 16137-2021 |
Methods for estimation of examinee’s organ doses in X-ray diagnosis X射线诊断中受检者器官剂量的估算方法 |
China National Standards Method |
English PDF |
| GB/T 15972.47-2021 |
Specifications for optical fibre test Method - Part 47: Measurement methods and test procedures for transmission characteristics - Macrobending loss 光纤试验方法规范 第47部分：传输特性的测量方法和试验程序 宏弯损耗 |
China National Standards Method |
English PDF |
| GB/T 14949.5-2021 |
Manganese ores一Determination of titanium content一Diantipyrylmethane spectrophotometric Method 锰矿石 钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards Method |
English PDF |
| GB/T 14949.12-2021 |
Manganese ores - Determination of combined water content - Gravimetric Method 锰矿石 化合水含量的测定 重量法 |
China National Standards Method |
English PDF |
| GB/T 14230-2021 |
Test Method of tooth bending strength for gear load capacity 齿轮弯曲疲劳强度试验方法 |
China National Standards Method |
English PDF |
| GB/T 14229-2021 |
Test Method of surface contact strength for gear load capacity 齿轮接触疲劳强度试验方法 |
China National Standards Method |
English PDF |
| GB/T 14146-2021 |
Test Method for carrier concentration of silicon epitaxial layers - Capacitance-voltage method 硅外延层载流子浓度的测试 电容-电压法 |
China National Standards Method |
English PDF |
| GB/T 13173-2021 |
Surface active agents - Test Methods for detergents 表面活性剂 洗涤剂试验方法 |
China National Standards Method |
English PDF |
| GB/T 12703.2-2021 |
Textiles - Test Methods for electrostatic propensity - Part 2: Test method using manual friction 纺织品 静电性能试验方法 第2部分：手动摩擦法 |
China National Standards Method |
English PDF |
| GB/T 12703.1-2021 |
Textiles - Test Methods for electrostatic propensity - Part 1: Test method using corona charging 纺织品 静电性能试验方法 第1部分：电晕充电法 |
China National Standards Method |
English PDF |
| GB/T 12190-2021 |
Method for measuring the shielding effectiveness of electromagnetic shielding enclosures 电磁屏蔽室屏蔽效能的测量方法 |
China National Standards Method |
English PDF |
| GB/T 10066.32-2021 |
Test Methods for electroheating and electromagnetic processing installations-Part 32:Induction through-heating installations 电热和电磁处理装置的试验方法 第32部分：感应透热装置 |
China National Standards Method |
English PDF |
| GB/T 9966.9-2021 |
Test Methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency 天然石材试验方法 第9部分：通过测量共振基本频率测定动力弹性模数 |
China National Standards Method |
English PDF |
| GB/T 9966.13-2021 |
Test Methods for natural stone—Part 13:Determination of water absorption coefficient by capillarity 天然石材试验方法 第13部分：毛细吸水系数的测定 |
China National Standards Method |
English PDF |
| GB/T 9966.11-2021 |
Test Methods for natural stone—Part 11: Determination of resistance to ageing by cold and thermal shock 天然石材试验方法 第11部分：激冷激热加速老化强度测定 |
China National Standards Method |
English PDF |
| GB/T 8243.12-2021 |
Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity 内燃机全流式机油滤清器试验方法 第12部分：颗粒计数法滤清效率和容灰量 |
China National Standards Method |
English PDF |
| GB/T 8152.15-2021 |
Methods for chemical analysis of lead concentrates—Part 15:Determination of soluble lead content—Flame atomic absorption spectrometry 铅精矿化学分析方法 第15部分：可溶性铅含量的测定 火焰原子吸收光谱法 |
China National Standards Method |
English PDF |
| GB/T 7739.4-2021 |
Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content 金精矿化学分析方法 第4部分：铜量的测定 |
China National Standards Method |
English PDF |
| GB/T 6113.103-2021 |
Specification for radio disturbance and immunity measuring apparatus and Methods—Part 1-3:Radio disturbance and immunity measuring apparatus—Ancillary equipment—Disturbances power 无线电骚扰和抗扰度测量设备和测量方法规范 第1-3部分：无线电骚扰和抗扰度测量设备 辅助设备 骚扰功率 |
China National Standards Method |
English PDF |
| GB/T 2423.38-2021 |
Environmental testing-Part 2:Test Methods-Test R:Water test method and guidance 环境试验 第2部分：试验方法 试验R：水试验方法和导则 |
China National Standards Method |
English PDF |
| GB/T 2423.33-2021 |
Environmental testing - Part 2: Test Methods - Test Kca: High concentration sulfur dioxid 环境试验 第2部分：试验方法 试验Kca：高浓度二氧化硫试验 |
China National Standards Method |
English PDF |
| GB/T 2423.18-2021 |
Environmental testing—Part 2: Test Methods—Test Kb:Salt mist, cyclic（sodium chloride solution） 环境试验 第2部分：试验方法 试验Kb：盐雾，交变（氯化钠溶液） |
China National Standards Method |
English PDF |
| GB/T 1551-2021 |
Test Method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method 硅单晶电阻率的测定 直排四探针法和直流两探针法 |
China National Standards Method |
English PDF |
| GB/T 22148.3-2021 |
Test Method on electromagnetic emissions—Part 3:Electronic control gear for LED modules 电磁发射的试验方法 第3部分：LED模块用电子控制装置 |
China National Standards Method |
English PDF |
| GB/T 21227-2021 |
AC loss measurements—Magnetometer Methods for hysteresis loss in superconducting multifilamentary composites 交流损耗测量 多丝复合超导材料磁滞损耗的磁强计测量法 |
China National Standards Method |
English PDF |
| GB/T 20373-2021 |
Determination of acetyl content in modified starch—Titrimetric Method 变性淀粉中乙酰基含量的测定 滴定法 |
China National Standards Method |
English PDF |
| GB/T 19216.3-2021 |
Circuit integrity test for electric cables or optical fiber cables under fire conditions—Part 3:Test Method for fire with shock at a temperature of at least 830℃ for cables of rated voltage up to and including 0.6/1 kV tested in a metal enclosure 在火焰条件下电缆或光缆的线路完整性试验 第3部分：火焰温度不低于830 ℃的供火并施加冲击振动，额定电压0.6/1 kV及以下电缆穿在金属管中进行的试验方法 |
China National Standards Method |
English PDF |
| GB/T 19216.2-2021 |
Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 2: Test Method for fire with shock at a temperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/1 kV and with an overall diameter not 在火焰条件下电缆或光缆的线路完整性试验 第2部分：火焰温度不低于830 ℃的供火并施加冲击振动，额定电压0.6/1 kV及以下外径不超过20 mm电缆的试验方法 |
China National Standards Method |
English PDF |
| GB/T 19216.1-2021 |
Circuit integrity test for electric cables or optical fiber cables under fire conditions-Part 1:Test Method for fire with shock at atemperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/ 1 kV and with an overall diameter exceed 在火焰条件下电缆或光缆的线路完整性试验 第1部分：火焰温度不低于830 ℃的供火并施加冲击振动，额定电压0.6/1 kV及以下外径超过20 mm电缆的试验方法 |
China National Standards Method |
English PDF |
| GB 40164-2021 |
Automobiles and trailer - Specifications and test Methods of brake part 汽车和挂车 制动器用零部件技术要求及试验方法 |
China National Standards Method |
English PDF |
| GB/T 39885-2021 |
Examination Methods for triazolam in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中三唑仑检验 气相色谱和气相色谱-质谱法 |
China National Standards Method |
English PDF |
| GB/T 39884-2021 |
Examination Methods for three components in cannabis in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中大麻三种成分检验 气相色谱和气相色谱-质谱法 |
China National Standards Method |
English PDF |
| GB/T 39883-2021 |
Examination Methods for morphine in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中吗啡检验 气相色谱和气相色谱-质谱法 |
China National Standards Method |
English PDF |
| GB/T 39882-2021 |
Examination Methods for methylene dioxymetham phetamine in suspected drugs -- Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中二亚甲基双氧安非他明检验 气相色谱和气相色谱-质谱法 |
China National Standards Method |
English PDF |
| GB/T 39881-2021 |
Examination Methods for methaqualone in suspected drugs -- Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中安眠酮检验 气相色谱和气相色谱-质谱法 |
China National Standards Method |
English PDF |
| 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 Method |
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 Method |
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 Method |
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 Method |
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 Method |
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 Method |
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 Method |
English PDF |
| GB/T 28515.2-2021 |
Test Method for automatically switched optical network(ASON)—Part 2:OTN-based ASON 自动交换光网络(ASON)测试方法 第2部分：基于OTN的ASON |
China National Standards Method |
English PDF |
| GB/T 21548-2021 |
Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 光通信用高速直接调制半导体激光器的测量方法 |
China National Standards Method |
English PDF |
| GB/T 15972.42-2021 |
Specifications for optical fibre test Methods—Part 42:Measurement methods and test procedures for transmission characteristics—Chromatic dispersion 光纤试验方法规范 第42部分：传输特性的测量方法和试验程序 波长色散 |
China National Standards Method |
English PDF |
| GB/T 40086-2021 |
Synthetic ice rink - General technical requirements and test Methods 仿真冰场 通用技术要求和试验方法 |
China National Standards Method |
English PDF |
| GB/T 40072-2021 |
Strength test Method for submersible metallic framework 潜水器金属框架强度试验方法 |
China National Standards Method |
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 Method |
English PDF |
| GB/T 40049-2021 |
PCR detection Method of chicken salmonella enteritis 鸡肠炎沙门氏菌PCR检测方法 |
China National Standards Method |
English PDF |
| GB/T 40048-2021 |
Test Methods for bolted connections in structural wood and wood-based materials 木质结构材螺栓连接力学性能测试方法 |
China National Standards Method |
English PDF |
| GB/T 40025-2021 |
RF technical requirements and test Methods for 24GHz vehicle radio equipment 24GHz车辆无线电设备射频技术要求及测试方法 |
China National Standards Method |
English PDF |
| GB/T 40014-2021 |
Dual arm industrial robots—Performance and related test Methods 双臂工业机器人 性能及其试验方法 |
China National Standards Method |
English PDF |
| GB/T 40013-2021 |
Service robot—Electrical safety requirements and test Methods 服务机器人 电气安全要求及测试方法 |
China National Standards Method |
English PDF |
| GB/T 40008.1-2021 |
Performance evaluation and calculating Method for water heater system—Part 1：Household and similar water heater system 热水制备系统绩效评价与计算方法 第1部分：户用及类似用途热水制备系统 |
China National Standards Method |
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 Method |
English PDF |
| GB/T 39992-2021 |
Sensory analysis—Methodology—Balanced incomplete block designs 感官分析 方法学 平衡不完全区组设计 |
China National Standards Method |
English PDF |
| GB/T 39982-2021 |
Water lubricated journal bearings—Test Methods of load carrying capacity 水润滑径向滑动轴承 承载能力测试方法 |
China National Standards Method |
English PDF |
| GB/T 39969-2021 |
Test Method of ventilation and rain resistance performance for ventilation louvers of building 建筑用通风百叶窗通风及防雨性能检测方法 |
China National Standards Method |
English PDF |
| GB/T 26077-2021 |
Metallic materials—Fatigue testing—Axial-strain-controlled Method 金属材料 疲劳试验 轴向应变控制方法 |
China National Standards Method |
English PDF |
| GB/T 25217.8-2021 |
Methods for test，monitoring and prevention of rock burst-Part 8:Monitoring method of electromagnetic radiation 冲击地压测定、监测与防治方法 第8部分：电磁辐射监测方法 |
China National Standards Method |
English PDF |
| GB/T 22683-2021 |
Methods used to designate model of controls for household and similar use 家用和类似用途控制器产品型号编制方法 |
China National Standards Method |
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 Method |
English PDF |
| GB/T 15972.54-2021 |
Specifications for optical fibre test Methods—Part 54:Measurement methods and test procedures for environmental characteristics—Gamma irradiation 光纤试验方法规范 第54部分：环境性能的测量方法和试验程序 伽玛辐照 |
China National Standards Method |
English PDF |
| GB/T 15972.45-2021 |
Specifications for optical fibre test Methods—Part 45:Measurement methods and test procedures for transmission characteristics—Mode field diameter 光纤试验方法规范 第45部分：传输特性的测量方法和试验程序 模场直径 |
China National Standards Method |
English PDF |
| GB/T 15972.43-2021 |
Specifications for optical fibre test Methods—Part 43: Measurement methods and test procedures for transmission characteristics—Numerical aperture 光纤试验方法规范 第43部分：传输特性的测量方法和试验程序 数值孔径 |
China National Standards Method |
English PDF |
| GB/T 15972.41-2021 |
Specifications for optical fibre test Methods-Part 41:Measurement methods and test procedures for transmission characteristics-Bandwidth 光纤试验方法规范 第41部分：传输特性的测量方法和试验程序 带宽 |
China National Standards Method |
English PDF |
| GB/T 15972.34-2021 |
Specifications for optical fibre test Methods—Part 34:Measurement methods and test procedures for mechanical characteristics—Fibre curl 光纤试验方法规范 第34部分：机械性能的测量方法和试验程序 光纤翘曲 |
China National Standards Method |
English PDF |
| GB/T 15972.30-2021 |
Specifications for optical fibre test Methods—Part 30: Measurement methods and test procedures for mechanical characteristics—Fibre proof test 光纤试验方法规范 第30部分：机械性能的测量方法和试验程序 光纤筛选试验 |
China National Standards Method |
English PDF |
| GB/T 15972.20-2021 |
Specifications for optical fibre test Methods-Part 20:Measurement methods and test procedures for dimensions- Fibre geometry 光纤试验方法规范 第20部分：尺寸参数的测量方法和试验程序 光纤几何参数 |
China National Standards Method |
English PDF |
| GB/T 15972.10-2021 |
Specifications for optical fibre test Methods-Part 10:Measurement methods and test procedures-General and guidance 光纤试验方法规范 第10部分：测量方法和试验程序 总则 |
China National Standards Method |
English PDF |
| GB/T 15911-2021 |
Monitoring and testing Method for energy saving of industrial electroheat devices 工业电热设备节能监测方法 |
China National Standards Method |
English PDF |
| GB/T 13449-2021 |
Method for sampling and sample preparation of gold lump ores 金块矿取样和制样方法 |
China National Standards Method |
English PDF |
| GB/T 11066.11-2021 |
Methods for chemical analysis of gold-Part 11:Determination of magnesium，chromium，manganese，iron，nickel copper，palladium，silver，tin，antimony，lead and bismuth contents-Inductively coupled plasma mass spectrometry 金化学分析方法 第11部分：镁、铬、锰、铁、镍、铜、钯、银、锡、锑、铅和铋含量的测定 电感耦合等离子体质谱法 |
China National Standards Method |
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 Method |
English PDF |
| GB/T 9966.17-2021 |
Test Methods for natural stone-Part 17:Determination of resistance to salt crystallization 天然石材试验方法 第17部分：盐结晶强度的测定 |
China National Standards Method |
English PDF |
| GB/T 9966.16-2021 |
Test Methods for natural stone- Part 16:Determination of linear thermal expansion coefficient 天然石材试验方法 第16部分：线性热膨胀系数的测定 |
China National Standards Method |
English PDF |
| GB/T 9966.15-2021 |
Test Methods for natural stone- Part 15:Determination of resistance ageing by salt mist 天然石材试验方法 第15部分：耐盐雾老化强度测定 |
China National Standards Method |
English PDF |
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