Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 4, |
 English PDF |
| GB/T 39706-2020 |
Test method for dissolution rate and quantity of SO42- released from gypsum 石膏中SO42-溶出速率、溶出量的测定方法 |
China National Standards 4, |
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 4, |
English PDF |
| GB/T 15076.4-2020 |
Methods for chemical analysis of tantalum and niobium--Part 4: Determination of iron content--1, 10-Phenanthroline spectrophotometry 钽铌化学分析方法 第4部分:铁量的测定 1，10—二氮杂菲分光光度法 |
China National Standards 4, |
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 4, |
English PDF |
| GB/T 39223.4-2020 |
Ergonomic requirements for healthy home—Part 4: Children's desks and chairs 健康家居的人类工效学要求 第4部分：儿童桌椅 |
China National Standards 4, |
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 4, |
English PDF |
| GB/T 25217.14-2020 |
Methods for test, monitoring and prevention of rock burst—Part 14: Prevention method of roof hydraulic fracturing 冲击地压测定、监测与防治方法 第14部分：顶板水压致裂防治方法 |
China National Standards 4, |
English PDF |
| GB/T 21296.4-2020 |
Automatic instruments for weighing road vehicles in motion─Part 4：Bending plate type 动态公路车辆自动衡器 第4部分：弯板式 |
China National Standards 4, |
English PDF |
| GB/T 20801.4-2020 |
Pressure piping code—Industrial piping—Part 4:Fabrication and assembly 压力管道规范 工业管道 第4部分:制作与安装 |
China National Standards 4, |
English PDF |
| GB/T 20674.4-2020 |
Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 4: Traceability coding 塑料管材和管件 聚乙烯系统熔接设备 第4部分：可追溯编码 |
China National Standards 4, |
English PDF |
| GB/T 19520.19-2020 |
Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19 in) series—Part 3-107: Dimensions of subracks and plug-in units, small form factor 电子设备机械结构 482.6 mm（19 in）系列机械结构尺寸 第3-107部分：小型化插箱和插件的尺寸 |
China National Standards 4, |
English PDF |
| GB/T 17888.4-2020 |
Safety of machinery—Permanent means of access to machinery—Part 4: Fixed ladders 机械安全 接近机械的固定设施 第4部分：固定式直梯 |
China National Standards 4, |
English PDF |
| GB/T 15566.4-2020 |
Public information guidance systems—Setting principles and requirements—Part 4: Public transport station 公共信息导向系统 设置原则与要求 第4部分：公共交通车站 |
China National Standards 4, |
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 4, |
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 4, |
English PDF |
| GB/T 39414.4-2020 |
Interface specification for signal in space of BeiDou navigation satellite system—Part 4: Open service signal B3I 北斗卫星导航系统空间信号接口规范 第4部分：公开服务信号B3I |
China National Standards 4, |
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 4, |
English PDF |
| GB/T 35381.14-2020 |
Tractors and machinery for agriculture and forestry—Serial control and communications data network—Part 14：Sequence control 农林拖拉机和机械 串行控制和通信数据网络 第14部分：顺序控制 |
China National Standards 4, |
English PDF |
| GB/T 37363.4-2020 |
Determination of biocides content of coating materials—Part 4: Determination of carbendazim content 涂料中生物杀伤剂含量的测定 第4部分：多菌灵含量的测定 |
China National Standards 4, |
English PDF |
| GB/T 35465.4-2020 |
Test method for fatigue properties of polymer matrix composite materials—Part 4: Tension-compression fatigue and compression-compression fatigue 聚合物基复合材料疲劳性能测试方法 第4部分：拉-压和压-压疲劳 |
China National Standards 4, |
English PDF |
| GB/T 25801-2020 |
C.I. Disperse orange 30（Disperse orange S-4RL） C.I.分散橙30（分散橙S-4RL ） |
China National Standards 4, |
English PDF |
| GB/T 25791-2020 |
C.I. Reactive red 194 （Reactive red M-2BE） C.I.反应红194(反应红M-2BE) |
China National Standards 4, |
English PDF |
| GB/T 20975.34-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 34：Determination of sodium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第34部分：钠含量的测定 火焰原子吸收光谱法 |
China National Standards 4, |
English PDF |
| GB/T 5832.4-2020 |
Gas analysis—Determination of moisture—Part 4: The method of quartz crystal oscillation 气体分析 微量水分的测定 第4部分：石英晶体振荡法 |
China National Standards 4, |
English PDF |
| GB/T 28029.12-2020 |
Electronic railway equipment—Train communication network (TCN)—Part 3-4: Ethernet Consist Network(ECN) 轨道交通电子设备 列车通信网络（TCN） 第3-4部分：以太网编组网（ECN） |
China National Standards 4, |
English PDF |
| GB/T 28029.5-2020 |
Electronic railway equipment—Train communication network (TCN)—Part 2-4: TCN application profile 轨道交通电子设备 列车通信网络（TCN） 第2-4部分：TCN应用规约 |
China National Standards 4, |
English PDF |
| GB/T 17989.4-2020 |
Control charts--Part 4: Cumulative sum charts 控制图 第4部分：累积和控制图 |
China National Standards 4, |
English PDF |
| GB/T 3452.4-2020 |
O-rings for fluid power systems—Part 4:Anti-extrusion rings (back-up rings) 液压气动用O形橡胶密封圈 第4部分：抗挤压环（挡环） |
China National Standards 4, |
English PDF |
| GB/T 3780.14-2019 |
Carbon black—Part 14：Determination of sulfur content 炭黑 第14部分：硫含量的测定 |
China National Standards 4, |
English PDF |
| GB/T 31843.450-2019 |
Maritime navigation and radiocommunication equipment and systems—Digital interfaces—Part 450：Multiple talkers and multiple listeners—Ethernet interconnection 海上导航和无线电通信设备及系统 数字接口 第450部分：多发话器和多受话器 以太网连接 |
China National Standards 4, |
English PDF |
| GB/T 26218.4-2019 |
Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 4: Insulators for d.c. systems 污秽条件下使用的高压绝缘子的选择和尺寸确定 第4部分：直流系统用绝缘子 |
China National Standards 4, |
English PDF |
| GB/T 23711.4-2019 |
Test method for pressure vessels lined with plastics—Part 4:Negative pressure inspection 塑料衬里压力容器试验方法 第4部分：耐负压检验 |
China National Standards 4, |
English PDF |
| GB/T 18442.4-2019 |
Static vacuum insulated cryogenic pressure vessels—Part 4：Fabrication 固定式真空绝热深冷压力容器 第4部分：制造 |
China National Standards 4, |
English PDF |
| GB/T 15000.4-2019 |
Directives for the work of reference materials—Part 4：Contents of certificates,labels and accompanying documentation 标准样品工作导则 第4部分：证书、标签和附带文件的内容 |
China National Standards 4, |
English PDF |
| GB/T 7991.4-2019 |
Test method of viterous and porcelain enamels—Part 4：Determination of resistance to impact 搪玻璃层试验方法 第4部分：耐机械冲击性能的测定 |
China National Standards 4, |
English PDF |
| GB/T 38399.4-2019 |
Textile machinery and accessories—Vocabulary of flat warp knitting machines—Part 4: Stitch bonding machines and stitch bonding devices 纺织机械与附件 平型经编机词汇 第4部分：缝编机和缝编装置 |
China National Standards 4, |
English PDF |
| GB/T 38385-2019 |
Determination of disperse yellow 23 and disperse orange 149 dyes in dye products 染料产品中分散黄23和分散橙149染料的测定 |
China National Standards 4, |
English PDF |
| GB/T 32852.4-2019 |
Urban passenger transportation terminology—Part 4: Taxi 城市客运术语 第4部分：出租汽车 |
China National Standards 4, |
English PDF |
| GB/T 23673-2019 |
3,4-Dichloroaniline 3,4-二氯苯胺 |
China National Standards 4, |
English PDF |
| GB/T 26218.4-2019 |
Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 4: Insulators for d.c. systems 污秽条件下使用的高压绝缘子的选择和尺寸确定 第4部分：直流系统用绝缘子 |
China National Standards 4, |
English PDF |
| GB/T 23711.4-2019 |
Test method for pressure vessels lined with plastics—Part 4:Negative pressure inspection 塑料衬里压力容器试验方法 第4部分：耐负压检验 |
China National Standards 4, |
English PDF |
| GB/T 18442.4-2019 |
Static vacuum insulated cryogenic pressure vessels—Part 4：Fabrication 固定式真空绝热深冷压力容器 第4部分：制造 |
China National Standards 4, |
English PDF |
| GB/T 15000.4-2019 |
Directives for the work of reference materials—Part 4：Contents of certificates,labels and accompanying documentation 标准样品工作导则 第4部分：证书、标签和附带文件的内容 |
China National Standards 4, |
English PDF |
| GB/T 7991.4-2019 |
Test method of viterous and porcelain enamels—Part 4：Determination of resistance to impact 搪玻璃层试验方法 第4部分：耐机械冲击性能的测定 |
China National Standards 4, |
English PDF |
| GB 7300.401-2019 |
Feed additives—Part 4：Enzymes—Xylanase 饲料添加剂 第4部分：酶制剂 木聚糖酶 |
China National Standards 4, |
English PDF |
| GB 4793.4-2019 |
Safety requirements for electrical equipment for measurement,control and laboratory use—Part 4: Particular requirements for sterilizers and washer-disinfectors used to treat medical materials 测量、控制和实验室用电气设备的安全要求 第4部分：用于处理医用材料的灭菌器和清洗消毒器的特殊要求 |
China National Standards 4, |
English PDF |
| GB 15322.4-2019 |
Combustible gas detectors—Part 4: Line-type optical beam combustible gas detectors for industrial and commercial use 可燃气体探测器 第4部分：工业及商业用途线型光束可燃气体探测器 |
China National Standards 4, |
English PDF |
| GB 4234.4-2019 |
Implants for surgery—Metallic materials—Part 4: Cobalt-chromium-molybdenum casting alloy 外科植入物 金属材料 第4部分：铸造钴-铬-钼合金 |
China National Standards 4, |
English PDF |
| GB 15322.4-2019 |
Combustible gas detectors—Part 4: Line-type optical beam combustible gas detectors for industrial and commercial use 可燃气体探测器 第4部分：工业及商业用途线型光束可燃气体探测器 |
China National Standards 4, |
English PDF |
| GB 4234.4-2019 |
Implants for surgery—Metallic materials—Part 4: Cobalt-chromium-molybdenum casting alloy 外科植入物 金属材料 第4部分：铸造钴-铬-钼合金 |
China National Standards 4, |
English PDF |
| GB/T 37999-2019 |
1,1,1,3,3-Pentafluoropropane(HFC-245fa) for industrial use 工业用1,1,1,3,3-五氟丙烷（HFC-245fa） |
China National Standards 4, |
English PDF |
| GB/T 37891.4-2019 |
Cutter arbors with parallel key and tenon drive—Part 4: Dimensions and designation of tool holders with 7/24 taper without automatic tool changers 带平键和端键传动的铣刀杆 第4部分：带7:24手动换刀圆锥柄刀杆的尺寸和标记 |
China National Standards 4, |
English PDF |
| GB/T 37891.3-2019 |
Cutter arbors with parallel key and tenon drive—Part 3: Dimensions and designation of tool holders with 7/24 taper for automatic tool changers 带平键和端键传动的铣刀杆 第3部分：带7:24自动换刀圆锥柄刀杆的尺寸和标记 |
China National Standards 4, |
English PDF |
| GB/T 37869.4-2019 |
Glass containers—Vacuum lug finishes—Part 4: 3 leads 38 medium 玻璃容器 真空凸缘瓶口 第4部分：三旋38中等规格 |
China National Standards 4, |
English PDF |
| GB/T 37865-2019 |
Analysis method of 14C in biological samples—Oxgen bomb combustion method 生物样品中14C的分析方法 氧弹燃烧法 |
China National Standards 4, |
English PDF |
| GB/Z 37839-2019 |
Information model covering the contents of GB/T 5094.1、GB/T 5094.2、GB/T 16679、 GB/T 18656 and GB/T 16901.3 包含GB/T 5094.1、GB/T 5094.2、GB/T 16679、 GB/T 18656和GB/T 16901.3内容的信息模型 |
China National Standards 4, |
English PDF |
| GB/T 37400.14-2019 |
Heavy mechanical general technical specification—Part 14: Nondestructive test of steel castings 重型机械通用技术条件 第14部分：铸钢件无损探伤 |
China National Standards 4, |
English PDF |
| GB/T 29271.4-2019 |
Identification cards—Integrated circuit card programming interfaces—Part 4: Application programming interface (API) administration 识别卡 集成电路卡编程接口 第4部分：应用编程接口（API）管理 |
China National Standards 4, |
English PDF |
| GB/T 28827.4-2019 |
Information technology service—Operations and maintenance—Part 4: Service requirements for data center 信息技术服务 运行维护 第4部分：数据中心服务要求 |
China National Standards 4, |
English PDF |
| GB/T 26237.14-2019 |
Information technology—Biometric data interchange formats—Part 14: DNA data 信息技术 生物特征识别数据交换格式 第14部分：DNA数据 |
China National Standards 4, |
English PDF |
| GB/T 22322.1-2019 |
Information technology－Chinese coded character set－24 dot matrix font of Chinese ideogram—Part 1:Song ti 信息技术 中文编码字符集 汉字24点阵字型 第1部分：宋体 |
China National Standards 4, |
English PDF |
| GB/T 19968.1-2019 |
Information technology－Universal coded character set (basic multilingual plane)－48 dot matrix font of Chinese ideogram－Part 1:Song ti
信息技术 通用编码字符集（基本多文种平面） 汉字48点阵字型 第1部分：宋体 |
China National Standards 4, |
English PDF |
| GB/T 19968.1-2019 |
Information technology－Universal coded character set (basic multilingual plane)－48 dot matrix font of Chinese ideogram－Part 1:Song ti 信息技术 通用编码字符集（基本多文种平面） 汉字48点阵字型 第1部分：宋体 |
China National Standards 4, |
English PDF |
| GB/T 19967.2-2019 |
Information technology－Universal coded character set (basic multilingual plane)－24 dot matrix font of Chinese ideogram－Part 2:Hei ti 信息技术 通用编码字符集（基本多文种平面） 汉字24点阵字型 第2部分：黑体 |
China National Standards 4, |
English PDF |
| GB/T 19967.1-2019 |
Information technology－Universal coded character set (basic multilingual plane)－24 dot matrix font of Chinese ideogram－Part 1:Song ti 信息技术 通用编码字符集（基本多文种平面） 汉字24点阵字型 第1部分：宋体 |
China National Standards 4, |
English PDF |
| GB/T 19903.14-2019 |
Automation systems and integration—Physical device control—Data model for computerized numerical controllers—Part 14: Process data for sink electrical discharge machining (sink-EDM) 自动化系统与集成 物理设备控制 计算机数值控制器用的数据模型 第14部分：电火花成形加工用工艺数据 |
China National Standards 4, |
English PDF |
| GB/T 18916.44-2019 |
Norm of water intake—Part 44 ：Spandex product 取水定额 第44部分：氨纶产品 |
China National Standards 4, |
English PDF |
| GB/T 15879.4-2019 |
Mechanical standardization of semiconductor devices—Part 4: Coding system and classification into forms of package outlines for semiconductor device packages 半导体器件的机械标准化 第4部分：半导体器件封装外形的分类和编码体系 |
China National Standards 4, |
English PDF |
| GB/T 13477.14-2019 |
Test method for building sealants－Part 14：Determination of resistance to prolonged exposure to water
建筑密封材料试验方法 第14部分：浸水及拉伸-压缩循环后粘结性的测定 |
China National Standards 4, |
English PDF |
| GB/T 10067.416-2019 |
Basic specifications for electroheating and electromagnetic processing installations—Part 416: Polysilicon ingot furnace 电热和电磁处理装置基本技术条件 第416部分:多晶硅铸锭炉 |
China National Standards 4, |
English PDF |
| GB/T 8826-2019 |
Rubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) 橡胶防老剂 2,2,4-三甲基-1,2-二氢化喹啉聚合物（TMQ） |
China National Standards 4, |
English PDF |
| GB/T 8152.14-2019 |
Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry 铅精矿化学分析方法 第14部分：二氧化硅含量的测定 钼蓝分光光度法 |
China National Standards 4, |
English PDF |
| GB/T 7739.14-2019 |
Methods for chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry 金精矿化学分析方法 第14部分：铊量的测定 电感耦合等离子体原子发射光谱法和电感耦合等离子体质谱法 |
China National Standards 4, |
English PDF |
| GB/T 228.4-2019 |
Metallic materials—Tensile testing—Part 4: Method of test in liquid helium 金属材料 拉伸试验 第4部分：液氦试验方法 |
China National Standards 4, |
English PDF |
| GB 38030.4-2019 |
Dimensions series of standard transport ship types passing the locks of inland rivers—Part 4：The “three lanes” of the Pearl River system 内河过闸运输船舶标准船型主尺度系列 第4部分：珠江水系“三线” |
China National Standards 4, |
English PDF |
| GB 7956.4-2019 |
Fire fighting vehicles—Part 4: Dry powder fire fighting vehicle 消防车 第4部分：干粉消防车 |
China National Standards 4, |
English PDF |
| GB/T 38443-2019 |
GH4145 alloy bars and forgings—General specification GH4145合金棒材和锻件 通用技术条件 |
China National Standards 4, |
English PDF |
| GB/T 36628.4-2019 |
Information technology－Telecommunications and information exchange between systems－Visible light communication－Part 4：Transmission protocol for indoor positioning 信息技术 系统间远程通信和信息交换 可见光通信 第4部分：室内定位传输协议 |
China National Standards 4, |
English PDF |
| GB/T 36520.4-2019 |
Hydraulic fluid power—Dimensions and tolerances of polyurethane seals—Part 4：Dimensions and tolerances of seals for cylinder port 液压传动 聚氨酯密封件尺寸系列 第4部分：缸口密封圈的尺寸和公差 |
China National Standards 4, |
English PDF |
| GB/T 36478.4-2019 |
Internet of things—Information sharing and exchanging—Part 4:Data interface 物联网 信息交换和共享 第4部分：数据接口 |
China National Standards 4, |
English PDF |
| GB/T 30544.4-2019 |
Nanotechnologies—Vocabulary—Part 4: Nanostructured materials 纳米科技 术语 第4部分：纳米结构材料 |
China National Standards 4, |
English PDF |
| GB/T 30269.504-2019 |
Information technology—Sensor networks—Part 504: Identification:Sensor nodes identifier management 信息技术 传感器网络 第504部分：标识：传感节点标识符管理 |
China National Standards 4, |
English PDF |
| GB/T 30269.304-2019 |
Information technology—Sensor networks—Part 304:Communication and information exchange:Technical requirements of soundwave communication system 信息技术 传感器网络 第304部分:通信与信息交换:声波通信系统技术要求 |
China National Standards 4, |
English PDF |
| GB/T 37641-2019 |
Determination of 2,3,5,4’-tetrahydroxystilbene-O-β-D-glucoside in cosmetics―High performance liquid chromatography 化妆品中2,3,5,4’-四羟基二苯乙烯-2-O-β-D-葡萄糖苷的测定 高效液相色谱法 |
China National Standards 4, |
English PDF |
| GB/T 37640-2019 |
：Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography 化妆品中氯乙醛、2,4-二羟基-3-甲基苯甲醛、巴豆醛、苯乙酮、2-亚戊基环己酮、戊二醛含量的测定 高效液相色谱法 |
China National Standards 4, |
English PDF |
| GB/T 31838.4-2019 |
Solid insulating materials—Dielectric and resistive properties—Part 4: Resistive properties (DC methods)—Insulation resistance 固体绝缘材料 介电和电阻特性 第4部分：电阻特性(DC方法) 绝缘电阻 |
China National Standards 4, |
English PDF |
| GB/T 23901.4-2019 |
Non-destructive testing—Image quality of radiographs—Part 4: Experimental evaluation of image quality values and image quality tables 无损检测 射线照相检测图像质量 第4部分：像质值和像质表的实验评价 |
China National Standards 4, |
English PDF |
| GB/T 5959.41-2019 |
Safety in elcctroheating installations—Part 41: Particular requirements for resistance heating equipment—Heating and melting glass equipment 电热装置的安全 第41部分：对电阻加热装置的特殊要求 玻璃加热和熔化装置 |
China National Standards 4, |
English PDF |
| GB/T 5169.45-2019 |
Fire hazard testing for electric and electronic products—Part 45: Guidance for assessing the fire hazard－Fire safety engineering 电工电子产品着火危险试验 第45部分：着火危险评定导则 防火安全工程 |
China National Standards 4, |
English PDF |
| GB/T 18916.41-2019 |
Norm of water intake—Part 41：Yeast production 取水定额 第41部分：酵母制造 |
China National Standards 4, |
English PDF |
| GB/T 37512-2019 |
Inspection of grain and oils—Determination of the difference between actual and theoretical content of triacylglycerols with ECN 42 粮油检验 实际与理论ECN42甘三酯含量差值的测定 |
China National Standards 4, |
English PDF |
| GB/T 37400.4-2019 |
Heavy mechanical general technical specification—Part 4:Iron castings 重型机械通用技术条件 第4部分：铸铁件 |
China National Standards 4, |
English PDF |
| GB/T 37379-2019 |
Technical specification for 2.45 GHz radio frequency identification system of inland navigation vessels 内河船舶2.45GHz射频识别系统技术规范 |
China National Standards 4, |
English PDF |
| GB/T 31024.4-2019 |
Cooperative intelligent transportation systems—Dedicated short range communications—Part 4: Equipment application specification 合作式智能运输系统 专用短程通信 第4部分:设备应用规范 |
China National Standards 4, |
English PDF |
| GB/T 20897.4-2019 |
Inflatable boats—Part 4:Boats with a hull length of between 8 m and 24 m with a motor power rating of 15 kW and greater 充气艇 第4部分：发动机额定功率为15 kW及以上且船长在8m～24m之间的艇 |
China National Standards 4, |
English PDF |
| GB/T 20851.4-2019 |
Electronic toll collection—Dedicated short range communication—Part 4:Equipment application 电子收费 专用短程通信 第4部分：设备应用 |
China National Standards 4, |
English PDF |
| GB 37489.4-2019 |
Hygienic specification for the design of public place―Part 4：Public place of bath 公共场所卫生设计规范 第4部分：沐浴场所 |
China National Standards 4, |
English PDF |
| GB/T 18916.42-2019 |
：Norm of water intake—Part 42: Huangjiu production 取水定额 第42部分：黄酒制造 |
China National Standards 4, |
English PDF |
| GB/T 37600.4-2019 |
National central product classification—Product category core metadata—Part 4: Amusement ride in public amusement park 全国主要产品分类 产品类别核心元数据 第4部分：公共游乐场的游乐设施 |
China National Standards 4, |
English PDF |
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