Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 43628-2023 |
Metagenomic sequencing and identification method of airborne pathogenic microorganisms {译} 空气中病原微生物宏基因组测序鉴定方法 |
China National Standards borne |
 English PDF |
| GB/T 23229-2023 |
Analytical methods for waterborne wood preservatives {译} 水载型木材防腐剂的分析方法 |
China National Standards borne |
English PDF |
| GB 31604.53-2022 |
National Food Safety Standard Food Contact Materials and Products Determination of Migration Amount of 5-Ethylidene-2-Norbornene {译} 食品安全国家标准 食品接触材料及制品 5-亚乙基-2-降冰片烯迁移量的测定 |
China National Standards borne |
English PDF |
| GB/T 20787-2023 |
Reciprocating internal combustion engines—Measurement methods for structure-borne noise {译} 往复式内燃机 结构噪声测量方法 |
China National Standards borne |
English PDF |
| GB/T 42833-2023 |
Minimum Performance Specifications for Beidou Satellite-Based Augmentation System Single-frequency Augmentation Service Airborne Equipment {译} 北斗星基增强系统单频增强服务机载设备最低性能规范 |
China National Standards borne |
English PDF |
| GB/T 42646-2023 |
Layout and measurement method of spaceborne laser altimeter site calibration detector {译} 星载激光测高仪场地定标探测器布设与测量方法 |
China National Standards borne |
English PDF |
| GB/T 42647-2023 |
On-orbit site calibration method for spaceborne laser altimeter {译} 星载激光测高仪在轨场地定标方法 |
China National Standards borne |
English PDF |
| GB/T 42634-2023 |
Space data and information transmission system - Spaceborne data management and monitoring design requirements {译} 空间数据与信息传输系统 星载数据管理监控设计要求 |
China National Standards borne |
English PDF |
| GB/T 33521.31-2023 |
Mechanical vibrations - Ground-induced structure-borne noise and ground-borne vibrations from rail systems - Part 31: Guidelines for field measurements for the assessment of human exposure in buildings {译} 机械振动 轨道系统产生的地面诱导结构噪声和地传振动 第31部分：建筑物内人体暴露评价的现场测量指南 |
China National Standards borne |
English PDF |
| GB/T 42290-2022 |
Code for analysis and control of airborne radioactive source items in pressurized water reactor nuclear power plants {译} 压水堆核电厂气载放射性源项分析和控制规范 |
China National Standards borne |
English PDF |
| GB/T 33521.32-2021 |
Mechanical vibration—Ground-borne noise and vibration arising from rail systems—Part 32: Measurement of dynamic properties of the ground 机械振动 轨道系统产生的地面诱导结构噪声和地传振动 第32部分：大地的动态性能测量 |
China National Standards borne |
English PDF |
| GB/T 41171-2021 |
Urine-absorbing aids for incontinence -- Measurement of airborne respirable polyacrylate superabsorbent materials -- Determination of dust in collection cassettes by sodium atomic absorption spectrometry 失禁用尿吸收辅助器具? 空气中可吸入聚丙烯酸高吸水性材料测量 钠原子吸收光谱法对采集盒粉尘的测定 |
China National Standards borne |
English PDF |
| GB/T 19322.1-2021 |
Small craft -- Airborne sound emitted by powered recreational craft -- Part 1: Pass-by measurement procedures 小艇 机动游艇空气噪声 第1部分：通过测量程序 |
China National Standards borne |
English PDF |
| GB/T 40806-2021 |
Airborne noise emitted by machine tools—Operating conditions for metal-cutting machines 机床发射空气传播噪声 金属切削机床的操作条件 |
China National Standards borne |
English PDF |
| GB/T 38990-2020 |
Waterborne epoxylite emulsified binder mixture for road engineering 道路用水性环氧树脂乳化沥青混合料 |
China National Standards borne |
English PDF |
| GB/T 39526-2020 |
Classification and test method for airborne sound insulation performance of curtain wall 建筑幕墙空气声隔声性能分级及检测方法 |
China National Standards borne |
English PDF |
| GB/T 39624-2020 |
Technical specification for underwater topographic survey of airborne lidar 机载激光雷达水下地形测量技术规范 |
China National Standards borne |
English PDF |
| GB/T 14098-2020 |
Turbines and turbine sets—Measurement of emitted airborne noise—Engineering/survey method 燃气轮机和燃气轮机机组 气载噪声的测量 工程法/简易法 |
China National Standards borne |
English PDF |
| GB/T 37766-2019 |
General specification for airborne absorbing metamaterial 机载吸波超材料通用规范 |
China National Standards borne |
English PDF |
| GB/T 37657-2019 |
General specification for airborne metamaterial radomes 机载超材料天线罩通用规范 |
China National Standards borne |
English PDF |
| GB/T 36301-2018 |
Pre-processing product levels for spaceborne hyperspectral imaging data 航天高光谱成像数据预处理产品分级 |
China National Standards borne |
English PDF |
| GB/T 36306-2018 |
Cleanrooms and associated controlled environments—Guidelines for airborne chemical contamination control 洁净室及相关受控环境 空气化学污染控制指南 |
China National Standards borne |
English PDF |
| GB/T 9911-2018 |
Measurement of airborne noise emitted by marine diesel engine 船用柴油机辐射的空气噪声测量方法 |
China National Standards borne |
English PDF |
| GB/T 21231.1-2018 |
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurement 声学 小型通风装置辐射的空气噪声和引起的结构振动的测量 第1部分：空气噪声测量 |
China National Standards borne |
English PDF |
| GB/T 21231.2-2018 |
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements 声学 小型通风装置辐射的空气噪声和引起的结构振动的测量 第2部分：结构振动测量 |
China National Standards borne |
English PDF |
| GB/T 36100-2018 |
Indices and computation method of quality assessment for airborne LiDAR point cloud data 机载激光雷达点云数据质量评价指标及计算方法 |
China National Standards borne |
English PDF |
| GB/T 34683-2017 |
Determination of formaldehyde content in water-borne coatings—High performance liquid chromatographic method 水性涂料中甲醛含量的测定 高效液相色谱法 |
China National Standards borne |
English PDF |
| GB/T 29024.4-2017 |
Determination of particle size distribution－Single particle light interaction methods－Part 4: Light scattering airborne particle counter for clean spaces 粒度分析 单颗粒的光学测量方法 第4部分：洁净间光散射尘埃粒子计数器 |
China National Standards borne |
English PDF |
| GB/T 19322.2-2017 |
Small craft—Airborne sound emitted by powered recreational craft—Part 2: Sound assessment using reference craft 小艇 机动游艇空气噪声 第2部分：用标准艇进行噪声评估 |
China National Standards borne |
English PDF |
| GB/T 19322.3-2017 |
Small craft—Airborne sound emitted by powered recreational craft—Part 3: Sound assessment using calculation measurement procedures 小艇 机动游艇空气噪声 第3部分：用计算和测量程序进行噪声评估 |
China National Standards borne |
English PDF |
| GB/T 33521.1-2017 |
Mechannical vibration—Ground-borne noise and vibration arising from rail systems—Part1:General guidance 机械振动 轨道系统产生的地面诱导结构噪声和地传振动 第1部分：总则 |
China National Standards borne |
English PDF |
| GB/T 35437-2017 |
General specification for spaceborne opto-electronic tracking and imaging system 星载光电跟踪成像系统通用规范 |
China National Standards borne |
English PDF |
| GB/T 35214-2017 |
Standard method for determining fixation times of inorganic waterborne wood preservatives 无机水载型木材防腐剂固着时间的确定方法 |
China National Standards borne |
English PDF |
| GB/T 13186-2017 |
General specification for airborne Doppler navigation systems 机载多普勒导航系统通用规范 |
China National Standards borne |
English PDF |
| GB/T 35552.1-2017 |
Technical requirements for Class B shipborne equipment of the automatic identification system(AIS)—Part 1: Carrier-sense time division multiple access(CSTDMA) techniques 船舶自动识别系统(AIS)B类设备技术要求 第1部分：载波侦听时分多址（CSTDMA） |
China National Standards borne |
English PDF |
| GB/T 20068-2017 |
Technical requirements of shipborne automatic identification system 船载自动识别系统（AIS）技术要求 |
China National Standards borne |
English PDF |
| GB/T 19380-2016 |
Definition and demarcation of water-borne iodine-excess areas and iodine-excess endemial areas 水源性高碘地区和高碘病区的划定 |
China National Standards borne |
English PDF |
| GB/T 32874-2016 |
Technical rules for producing 3D digital surveying and mapping achievements in scale of 1:10 000 1:50 000 based on airborne InSAR 机载InSAR系统测制1:10 000 1:50 000 3D产品技术规程 |
China National Standards borne |
English PDF |
| GB/T 32470-2016 |
Organic compounds in drinking water—Test methods of geosmin and 2- methylisoborneol 生活饮用水臭味物质 土臭素和2-甲基异莰醇检验方法 |
China National Standards borne |
English PDF |
| GB/T 29024.2-2016 |
Determination of particle size distribution—Single particle light interaction methods—Part 2: Light scattering liquid-borne particle counter 粒度分析 单颗粒的光学测量方法 第2部分：液体颗粒计数器光散射法 |
China National Standards borne |
English PDF |
| GB/T 30697-2014 |
Test methods of characteristics for spaceborne multispectral camera with wide field of view 星载大视场多光谱相机性能测试方法 |
China National Standards borne |
English PDF |
| GB/T 30792-2014 |
Test method for resistance of water-borne coatings in the container to attack by microorganisms 罐内水性涂料抗微生物侵染的试验方法 |
China National Standards borne |
English PDF |
| GB/T 18204.3-2013 |
Examination methods for public places—Part 3: Airborne microorganism 公共场所卫生检验方法 第3部分：空气微生物 |
China National Standards borne |
English PDF |
| GB/T 30287.2-2013 |
Satellite positioning ship information service system（SISS）—Part 2: Information protocol for shipborne station and service center 卫星定位船舶信息服务系统 第2部分：船用终端与服务中心信息交换协议 |
China National Standards borne |
English PDF |
| GB/T 30150-2013 |
Radiation protection instrumentation―Equipment for monitoring airborne tritium 辐射防护仪器 气载氚监测设备 |
China National Standards borne |
English PDF |
| GB/T 29738-2013 |
Graduations and test method for performance of exterior windows and doors, curtain walls impacted by windborne debris in windstorm 建筑幕墙和门窗抗风携碎物冲击性能分级及检测方法 |
China National Standards borne |
English PDF |
| GB/T 29024.3-2012 |
Determination of particle size distribution - Single particle light interaction methods - Part 3: Light extinction liquid-borne particle counter 粒度分析 单颗粒的光学测量方法：第3部分：液体颗粒计数器光阻法 |
China National Standards borne |
English PDF |
| GB/T 4214.7-2012 |
Household and similar electrical appliances - Test code for determination of airborne acoustical noise - Particular requirements for tumble dryers 家用和类似用途电器噪声测试方法 滚筒式干衣机的特殊要求 |
China National Standards borne |
English PDF |
| GB/T 25749.9-2012 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 9: Decontamination index 机械安全 空气传播的有害物质排放的评估 第9部分：净化指数 |
China National Standards borne |
English PDF |
| GB/T 25749.8-2012 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 8: Room method for the measurement of the pollutant concentration parameter 机械安全 空气传播的有害物质排放的评估 第8部分：测量污染物浓度参数的室内法 |
China National Standards borne |
English PDF |
| GB/T 25749.7-2012 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 7: Test bench method for the measurement of the pollutant concentration parameter 机械安全 空气传播的有害物质排放的评估 第7部分：测量污染物浓度参数的试验台法 |
China National Standards borne |
English PDF |
| GB/T 25749.6-2012 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 6: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with ducted outlet 机械安全 空气传播的有害物质排放的评估 第6部分：测量带导管出口的空气净化系统质量分离效率的试验台法 |
China National Standards borne |
English PDF |
| GB/T 25749.5-2012 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 5: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with unducted outlet 机械安全 空气传播的有害物质排放的评估 第5部分：测量不带导管出口的空气净化系统质量分离效率的试验台法 |
China National Standards borne |
English PDF |
| GB/T 26782.3-2011 |
Satellite navigation based ship monitoring and management system - Part 3: Technical requirements for shipborne terminal 卫星导航船舶监管信息系统 第3部分：船载终端技术要求 |
China National Standards borne |
English PDF |
| GB/T 25915.8-2010 |
Cleanrooms and associated controlled environments - Part 8: Classification of airborne molecular contamination 洁净室及相关受控环境 第8部分：空气分子污染分级 |
China National Standards borne |
English PDF |
| GB/T 25749.4-2010 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 4: Tracer method for the measurement of the capture efficiency of an exhaust system 机械安全 空气传播的有害物质排放的评估 第4部分：测量排气系统捕获效率的示踪法 |
China National Standards borne |
English PDF |
| GB/T 25749.3-2010 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 3: Test bench method for the measurement of the emission rate of a given pollutant 机械安全 空气传播的有害物质排放的评估 第3部分：测量给定污染物排放率的试验台法 |
China National Standards borne |
English PDF |
| GB/T 25749.2-2010 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 2: Tracer gas method for the measurement of the emission rate of a given pollutant 机械安全 空气传播的有害物质排放的评估 第2部分：测量给定污染物排放率的示踪气体法 |
China National Standards borne |
English PDF |
| GB/T 25749.1-2010 |
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 1: Selection of test methods 机械安全 空气传播的有害物质排放的评估 第1部分：试验方法的选择 |
China National Standards borne |
English PDF |
| GB/T 16293-2010 |
Test method for airborne microbe in clean room(zone) of the pharmaceutical industry 医药工业洁净室(区)浮游菌的测试方法 |
China National Standards borne |
English PDF |
| GB/T 16292-2010 |
Test method for airborne particles in clean room(zone) of the pharmaceutical industry 医药工业洁净室(区)悬浮粒子的测试方法 |
China National Standards borne |
English PDF |
| GB/T 24147-2009 |
Waterborne ultraviolet curable resin - Water soluble unsaturated polyester acrylate resin 水性紫外光（UV）固化树脂 水溶性不饱和聚酯丙烯酸酯树脂 |
China National Standards borne |
English PDF |
| GB/T 23993-2009 |
Determination of formaldehyde content of waterborne coatings - Spectrophtometric method with acetylacetone 水性涂料中甲醛含量的测定 乙酰丙酮分光光度法 |
China National Standards borne |
English PDF |
| GB/T 9911-2009 |
Measure method of airborne noise emitted by marine diesel engine 船用柴油机辐射的空气噪声测量方法 |
China National Standards borne |
English PDF |
| GB 11871-2009 |
Limits of airborne noise emitted by marine diesel engines 船用柴油机辐射的空气噪声限值 |
China National Standards borne |
English PDF |
| GB/T 23229-2009 |
Methods for analysis of waterborne wood preservatives 水载型木材防腐剂分析方法 |
China National Standards borne |
English PDF |
| GB/T 4214.6-2008 |
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Particular requirements for electric hair care appliances 家用和类似用途电器噪声测试方法 毛发护理器具的特殊要求 |
China National Standards borne |
English PDF |
| GB/T 4214.5-2008 |
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Particular requirements for electric shavers 家用和类似用途电器噪声测试方法 电动剃须刀的特殊要求 |
China National Standards borne |
English PDF |
| GB/T 4214.4-2008 |
Household and similar electrical appliances - Test code for determination of airborne acoustical noise - Part2-4: Particular requirements for washing machines and spin extractors 家用和类似用途电器噪声测试方法 洗衣机和离心式脱水机的特殊要求 |
China National Standards borne |
English PDF |
| GB/T 4214.3-2008 |
Household and similar electrical appliances - Test code for determination of airborne acoustical noise - Particular requirements for dishwashers 家用和类似用途电器噪声测试方法 洗碗机的特殊要求 |
China National Standards borne |
English PDF |
| GB/T 4214.2-2008 |
Household and similar electrical appliances - Test code for determination of airborne acoustical noise - Particular requirements for vacuum cleaners 家用和类似用途电器噪声测试方法 真空吸尘器的特殊要求 |
China National Standards borne |
English PDF |
| GB/T 19322-2008 |
Small craft - Measurement of airborne sound emitted by powered recreational craft 小艇 机动游艇空气噪声的测定 |
China National Standards borne |
English PDF |
| GB/T 8485-2008 |
The graduation and test for airborne sound insulating properties of windows and doors 建筑门窗空气声隔声性能分级及检测方法 |
China National Standards borne |
English PDF |
| GB/T 7441-2008 |
Measurement of airborne noise emitted by steam turbines and driven machinery 汽轮机及被驱动机械发出的空间噪声的测量 |
China National Standards borne |
English PDF |
| GB 10069.3-2008 |
Measurement of airborne noise emitted by rotating electrical machines and the noise limits - Part 3:Noise limits 旋转电机噪声测定方法及限值 第3部分: 噪声限值 |
China National Standards borne |
English PDF |
| GB/T 21464-2008 |
Rubber - Determination of 5-Ethylidenenorbornene（ENB）or Dicyclopentadiene（DCPD） in Ethylene-Propylene-Diene (EPDM) Terpolymers 橡胶 乙烯-丙烯-二烯烃（EPDM）三元共聚物中5-乙叉降冰片烯（ENB）或双环戊二烯(DCPD)含量的测定 |
China National Standards borne |
English PDF |
| GB/T 21231-2007 |
Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices 声学 小型通风装置辐射空气噪声的测量方法 |
China National Standards borne |
English PDF |
| GB/T 21089.1-2007 |
Testing method of application performance of waterborne additives for architectural coatings - part 1: Dispersing agent,Defoaming agent, Thickening agent 建筑涂料水性助剂应用性能试验方法 第1部分：分散剂、消泡剂和增稠剂 |
China National Standards borne |
English PDF |
| GB/T 21088-2007 |
Classification and definition of the waterborne additives for architectural coatings 建筑涂料水性助剂的分类与定义 |
China National Standards borne |
English PDF |
| GB/T 6167-2007 |
Methods for testing the performance of airborne particle counter 尘埃粒子计数器性能试验方法 |
China National Standards borne |
English PDF |
| GB/T 20787-2006 |
Reciprocating internal combustion engines - Test code for the measurement of structure-borne noise emitted from high-speed and medium-speed reciprocating internal combustion engines measured at the engine feet 往复式内燃机 中、高速往复式内燃机底脚结构噪声测试规范 |
China National Standards borne |
English PDF |
| GB/T 19889.5-2006 |
Acoustics―Measurement of sound insulation in buildings and of building elements―Part 5: Field measurements of airborne sound insulation of facade elements and facades 声学 建筑和建筑构件隔声测量 第5部分:外墙构件和外墙空气声隔声的现场测量 |
China National Standards borne |
English PDF |
| GB/T 19889.10-2006 |
Acoustics―Measurement of sound insulation in buildings and of building elements―Part 10：Laboratory measurements of airborne sound insulation of small building elements 声学 建筑和建筑构件隔声测量 第10部分: 小建筑构件空气声隔声的实验室测量 |
China National Standards borne |
English PDF |
| GB/T 10069.1-2006 |
Measurement of airborne noise emitted by rotating electrical machines and the noise limits Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines 旋转电机噪声测定方法及限值 第1部分：旋转电机噪声测定方法 |
China National Standards borne |
English PDF |
| GB/T 20068-2006 |
Technical requirements of shipborne automatic identification system 船载自动识别系统(AIS)技术要求 |
China National Standards borne |
English PDF |
| GB/T 6404.1-2005 |
Acceptance code for gear units-Part1:Test code for airborne sound 齿轮装置的验收规范 第1部分：空气传播噪声的试验规范 |
China National Standards borne |
English PDF |
| GB/T 19889.4-2005 |
Acoustics-Measurement of sound insulation in buildings and of building elements-Part4:Field measurements of airborne sound insulation between rooms 声学 建筑和建筑构件隔声测量 第4部分:房间之间空气声隔声的现场测量 |
China National Standards borne |
English PDF |
| GB/T 19889.3-2005 |
Acoustics-Measurement of sound insulation in buildings and of building elements-Part 3:Laboratory measurements of airborne sound insulation of building elements 声学 建筑和建筑构件隔声测量 第3部分：建筑构件空气声隔声的实验室测量 |
China National Standards borne |
English PDF |
| GB/T 2820.10-2002 |
Reciprocating internal combustion engine driven alternating current generating sets--Part 10:Measurement of airborne noise by the enveloping surface method 往复式内燃机驱动的交流发电机组 第10部分:噪声的测量(包面法) |
China National Standards borne |
English PDF |
| GB/T 18313-2001 |
Acoustics--Measurement of airborne noise emitted by information technology and telecommunications equipment 声学 信息技术设备和通信设备空气噪声的测量 |
China National Standards borne |
English PDF |
| GB/T 1859-2000 |
Reciprocating internal combustion engines--Measurement of emitted airborne noise--Engineering method and survey method 往复式内燃机 辐射的空气噪声测量 工程法及简易法 |
China National Standards borne |
English PDF |
| GB/T 4214.1-2000 |
Acoustics--Household and similar electrical appliances--Test code for determination of airborne acoustical noise--Part 1:General requirements 声学 家用电器及类似用途器具噪声测试方法 第1部分:通用要求 |
China National Standards borne |
English PDF |
| GB/T 17483-1998 |
Test code for the determination of airborne noise level of hydraulic pumps 液压泵空气传声噪声级测定规范 |
China National Standards borne |
English PDF |
| GB/T 15869-1995 |
General specification of satellite communication earth station for shipborne communication equipment for CDMA 卫星通信船载地球站码分多址通信设备通用技术条件 |
China National Standards borne |
English PDF |
| GB/T 15868-1995 |
Shipborne radio equipment forming part of the (globalmaritime distress and safety system) and marine navigational equipment--General require-ments，methods of testing and required test results 全球海上遇险与安全系统(CMDSS) 船用无线电设备和海上导航设备通用要求测试方法和要求的测试结果 |
China National Standards borne |
English PDF |
| GB/T 14259-1993 |
Acoustics--Guide to standards on the measurement of airborne acoustical noise and evaluation ofits effects on human beings 声学 关于空气噪声的测量及其对人影响的评价的标准的指南 |
China National Standards borne |
English PDF |
| GB/T 13802-1992 |
General method for measurement of airborne noise emitted by construction machinery and equipment 工程机械辐射噪声测量的通用方法 |
China National Standards borne |
English PDF |
| GB/T 13186-1991 |
General specification for airborne doppler navigation systems 机载多普勒导航系统通用技术条件 |
China National Standards borne |
English PDF |
| GB/T 13162-1991 |
Equipment for monitoring airborne radioactive iodine in the environment 环境中气载放射性碘监测设备 |
China National Standards borne |
English PDF |
| GB/T 12183-1990 |
General specification of airborne transponders for air traffic control 空中交通管制机载应答机通用技术条件 |
China National Standards borne |
English PDF |
| GB/T 10102-1988 |
Shipbuilding--Shipborne barges， series 3--Ventilation system--Principal mating dimensions 造船 船载驳系列3 通风系统 主要配合尺寸 |
China National Standards borne |
English PDF |
| GB/T 9411-1988 |
Performance requirements for airborne marker beacon receiver 机载指点信标接收机性能要求 |
China National Standards borne |
English PDF |
| GB/T 9391-1988 |
Shipborne radar，technical and operation requirements--Method of testing and required test results 船用雷达技术要求和使用要求 测试方法和要求的测试结果 |
China National Standards borne |
English PDF |
| GB/T 9030-1988 |
Performance requirements for shipborne radio direction finder 船用无线电测向仪性能要求 |
China National Standards borne |
English PDF |
| GB/T 6921-1986 |
Determination of the concentration of airborne particulate matters 大气飘尘浓度测定方法 |
China National Standards borne |
English PDF |
| GB/T 5748-1985 |
Methods for airborne dust measurement in work place 作业场所空气中粉尘测定方法 |
China National Standards borne |
English PDF |
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