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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 4706.32-2012 |
Household and similar electrical appliances - Safety-Particular requirements for heat pumps, air-conditioners and dehumidifiers 家用和类似用途电器的安全 热泵、空调器和除湿机的特殊要求 |
China National Standards Part |
 English PDF |
| GB 4706.107-2012 |
Household and similar electrical appliances - Safety-Particular requirements for integrated kitchen appliance 家用和类似用途电器的安全 整体厨房器具的特殊要求 |
China National Standards Part |
English PDF |
| GB 311.1-2012 |
Insulation co-ordination - Part 1：Definitions, principles and rules 绝缘配合 第1部分：定义、原则和规则 |
China National Standards Part |
English PDF |
| GB 19212.8-2012 |
Safety of power transformers, power supplies, reactors and similar products - Part 8:Particular requirements and tests for transformers and power supplies for toys 电力变压器、电源、电抗器和类似产品的安全 第8部分：玩具用变压器和电源的特殊要求和试验 |
China National Standards Part |
English PDF |
| GB 19212.7-2012 |
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 7: Particular requirements and test for safety isolating transformers and power supply units incorporating saftey isolating transformers 电源电压为1 100V及以下的变压器、电抗器、电源装置和类似产品的安全 第7部分：安全隔离变压器和内装安全隔离变压器的电源装置的特殊要求和试验 |
China National Standards Part |
English PDF |
| GB 19212.3-2012 |
Safety of power transformers, power supplies, reactors and similar products - Part 3: Particular requirements and tests for control transformers and power supplies incorporating control transformers 电力变压器、电源、电抗器和类似产品的安全 第3部分：控制变压器和内装控制变压器的电源的特殊要求和试验 |
China National Standards Part |
English PDF |
| GB 19212.2-2012 |
Safety of power transformers, power supplies, reactors and similar products - Part 2: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications 电力变压器、电源、电抗器和类似产品的安全 第2部分：一般用途分离变压器和内装分离变压器的电源的特殊要求和试验 |
China National Standards Part |
English PDF |
| GB 19212.14-2012 |
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 14: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers 电源电压为1 100V及以下的变压器、电抗器、电源装置和类似产品的安全 第14部分：自耦变压器和内装自耦变压器的电源装置的特殊要求和试验 |
China National Standards Part |
English PDF |
| GB 16915.5-2012 |
Switches for household and similar fixed electrical installations - Part 2-4: Particular requirements - Isolating switches 家用和类似用途固定式电气装置的开关 第2-4部分：隔离开关的特殊要求 |
China National Standards Part |
English PDF |
| GB 16895.5-2012 |
Low-voltage electrical installations - Part 4-43: Protection for safety - Protection against overcurrent 低压电气装置 第4-43部分：安全防护 过电流保护 |
China National Standards Part |
English PDF |
| GB 16895.27-2012 |
Low-voltage electrical installations - Part 7-705: Requirements for special installations or locations - Agricultural and horticultural premises 低压电气装置 第7-705部分：特殊装置或场所的要求 农业和园艺设施 |
China National Standards Part |
English PDF |
| GB 16895.13-2012 |
Low-voltage electrical installations - Part 7-701: Requirements for special installations or locations - Locations containing a bath or shower 低压电气装置 第7-701部分：特殊装置或场所的要求 装有浴盆和淋浴的场所 |
China National Standards Part |
English PDF |
| GB 10810.5-2012 |
Uncut finished spectacle lenses - Part 5: Requirements of abrasion-resistant for spectacle lens surfaces 眼镜镜片 第5部分: 镜片表面耐磨要求 |
China National Standards Part |
English PDF |
| GB/T 24513.3-2012 |
Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 3: Measurement of environmental parameters affecting indoor corrosivity 金属和合金的腐蚀 室内大气低腐蚀性分类 第3部分：影响室内大气腐蚀性的环境参数测定 |
China National Standards Part |
English PDF |
| GB/T 18916.6-2012 |
Norm of water intake - Part 6: Beer brewing industry 取水定额 第6部分：啤酒制造 |
China National Standards Part |
English PDF |
| GB/T 18916.5-2012 |
Norm of water intake - Part 5: Pulp, paper and paper board production 取水定额 第5部分：造纸产品 |
China National Standards Part |
English PDF |
| GB/T 18916.4-2012 |
Norm of water intake - Part 4: Dyeing and finishing of textile industrial product 取水定额 第4部分：纺织染整产品 |
China National Standards Part |
English PDF |
| GB/T 18916.3-2012 |
Norm of water intake - Part 3: Petroleum refining 取水定额 第3部分：石油炼制 |
China National Standards Part |
English PDF |
| GB/T 18916.2-2012 |
Norm of water intake - Part 2: Iron and steel complex 取水定额 第2部分：钢铁联合企业 |
China National Standards Part |
English PDF |
| GB/T 18916.13-2012 |
Norm of water intake - Part 13: Ethylene production 取水定额 第13部分：乙烯生产 |
China National Standards Part |
English PDF |
| GB/T 18916.12-2012 |
Norm of water intake - Part 12: Alumina production 取水定额 第12部分：氧化铝生产 |
China National Standards Part |
English PDF |
| GB/T 18916.1-2012 |
Norm of water intake - Part 1: Fossil fired power production 取水定额 第1部分：火力发电 |
China National Standards Part |
English PDF |
| GB/T 18916.11-2012 |
Norm of water intake - Part 11: Coal cleaning 取水定额 第11部分：选煤 |
China National Standards Part |
English PDF |
| GB/T 24218.12-2012 |
Textiles - Test methods for nonwovens - Part 12：Demand absorbency 纺织品 非织造布试验方法 第12部分：受压吸收性的测定 |
China National Standards Part |
English PDF |
| GB/T 24218.11-2012 |
Textiles － Test methods for nonwovens － Part 11: Run-off 纺织品 非织造布试验方法 第11部分：溢流量的测定 |
China National Standards Part |
English PDF |
| GB 21976.5-2012 |
Escape apparatus for building fire - Part 5：Escape device 建筑火灾逃生避难器材 第5部分：应急逃生器 |
China National Standards Part |
English PDF |
| GB 21976.4-2012 |
Escape apparatus for building fire - Part 4: Escape slide 建筑火灾逃生避难器材 第4部分：逃生滑道 |
China National Standards Part |
English PDF |
| GB/T 5201-2012 |
Test procedures for semiconductor charged Particle detectors 带电粒子半导体探测器测量方法 |
China National Standards Part |
English PDF |
| GB/T 28571.1-2012 |
The telecom equipment cabinet - Part 1: General specification 电信设备机柜 第1部分：总规范 |
China National Standards Part |
English PDF |
| GB/T 28533.1-2012 |
Coupling connector for use in explosive gas atmospheres - Part 1: Type of protection “n” coupling connector 爆炸性气体环境用电气耦合连接器 第1部分：“n”型耦合连接器 |
China National Standards Part |
English PDF |
| GB/T 28475.2-2012 |
Microprocessor control equipment in industrial stove - Part 2: Methods of evaluating the performance 工业炉窑控制装置 第2部分：性能评定方法 |
China National Standards Part |
English PDF |
| GB/T 28475.1-2012 |
Microprocessor control equipment in industrial stove - Part 1: General specification 工业炉窑控制装置 第1部分：通用技术条件 |
China National Standards Part |
English PDF |
| GB/T 28474.2-2012 |
Pressure/Differential-pressure transmitters for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance 工业过程测量和控制系统用压力/差压变送器 第2部分：性能评定方法 |
China National Standards Part |
English PDF |
| GB/T 28474.1-2012 |
Pressure/Differential-pressure transmitters for use in industrial-process measure and control systems - Part 1: General specification 工业过程测量和控制系统用压力/差压变送器 第1部分:通用技术条件 |
China National Standards Part |
English PDF |
| GB/T 28473.2-2012 |
Temperature transmitters for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance 工业过程测量和控制系统用温度变送器 第2部分：性能评定方法 |
China National Standards Part |
English PDF |
| GB/T 28473.1-2012 |
Temperature transmitters for use in industrial-process measure and control systems - Part 1: General specification 工业过程测量和控制系统用温度变送器 第1部分：通用技术条件 |
China National Standards Part |
English PDF |
| GB/T 28472.2-2012 |
Distributor for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance 工业过程测量和控制系统用配电器 第2部分：性能评定方法 |
China National Standards Part |
English PDF |
| GB/T 28472.1-2012 |
Distributor for use in industrial-process measure and control systems - Part 1: General technical specification 工业过程测量和控制系统用配电器 第1部分：通用技术条件 |
China National Standards Part |
English PDF |
| GB/T 28471.2-2012 |
Safety barrier for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance 工业过程测量和控制系统用隔离式安全栅 第2部分：性能评定方法 |
China National Standards Part |
English PDF |
| GB/T 28471.1-2012 |
Safety barrier for use in industrial-process measure and control systems - Part 1: General technical specification 工业过程测量和控制系统用隔离式安全栅 第1部分：通用技术条件 |
China National Standards Part |
English PDF |
| GB/T 28469.2-2012 |
Electromagnetic and inductive digital instrument - Part 2: Methods of evaluating the performance 电磁感应式数字化仪 第2部分：性能评定方法 |
China National Standards Part |
English PDF |
| GB/T 28469.1-2012 |
Electromagnetic and inductive digital instrument - Part 1: General specification 电磁感应式数字化仪 第1部分：通用技术条件 |
China National Standards Part |
English PDF |
| GB/T 26155.2-2012 |
Intelligent electrical actuators for industrial-process measurement and control systems - Part 2:Methods of evaluating the performance 工业过程测量和控制系统用智能电动执行机构 第2部分：性能评定方法 |
China National Standards Part |
English PDF |
| GB/T 19769.3-2012 |
Function block for industrial-process measurement and control systems - Part 3：Tutorial information 工业过程测量和控制系统用功能块 第3部分：指导信息 |
China National Standards Part |
English PDF |
| GB/T 18494.3-2012 |
Converter transformers - Part 3: Application guide 变流变压器 第3部分：应用导则 |
China National Standards Part |
English PDF |
| GB/T 16895.23-2012 |
Low-voltage electrical installations - Part 6: Verification 低压电气装置 第6部分：检验 |
China National Standards Part |
English PDF |
| GB/T 16291.1-2012 |
Sensory analysis - General guidance for the selection,training and monitoring of assessors - Part 1: Selected assessors 感官分析 选拔、培训与管理评价员一般导则 第1部分：优选评价员 |
China National Standards Part |
English PDF |
| GB/T 14598.18-2012 |
Measuring relays and protection equipment - Part 22-5: Electrical disturbance tests - Surge immunity test 量度继电器和保护装置 第22-5部分：电气骚扰试验 浪涌抗扰度试验 |
China National Standards Part |
English PDF |
| GB/T 14598.10-2012 |
Measuring relays and protection equipment - Part 22-4: Electrical disturbance tests - Electrical fast transient/burst immunity test 量度继电器和保护装置 第22-4部分：电气骚扰试验 电快速瞬变/脉冲群抗扰度试验 |
China National Standards Part |
English PDF |
| GB/T 14055.2-2012 |
Reference neutron radiations - Part 2: Calibration fundamentals of radiation protection devices related to the basic quantities characterizing the radiation field 中子参考辐射 第2部分：与表征辐射场基本量相关的辐射防护仪表校准基础 |
China National Standards Part |
English PDF |
| GB/T 7424.5-2012 |
Optical fibre cables - Part 5: Sectional specification - Micro-duct optical fibre cables and fibre units for installation by blowing 光缆 第5部分：分规范 用于气吹安装的微型光缆和光纤单元 |
China National Standards Part |
English PDF |
| GB/T 9771.7-2012 |
Single-mode optical fibres for telecommunication - Part 7: Characteristics of a bending loss insensitive single-mode optical fibre for the access network 通信用单模光纤 第7部分：接入网用弯曲损耗不敏感单模光纤特性 |
China National Standards Part |
English PDF |
| GB/T 5271.36-2012 |
Information technology - Vocabulary - Part 36: Learning, education and training 信息技术 词汇 第36部分：学习、教育和培训 |
China National Standards Part |
English PDF |
| GB/T 28515.1-2012 |
Test specifications for automatically switched optical network（ASON）- Part 1：Test specifications for SDH-based ASON 自动交换光网络（ASON）测试方法 第1部分：基于SDH的ASON |
China National Standards Part |
English PDF |
| GB/T 28514.3-2012 |
IPv6 routing protocol - Part 3: Intermediate system to intermediate system intra-domain routing information exchange protocol (IS-ISv6) 支持IPv6的路由协议技术要求 第3部分：中间系统到中间系统域内路由信息交换协议(IS-ISv6) |
China National Standards Part |
English PDF |
| GB/T 28511.2-2012 |
Integrated optical path devices based on planar lightwave circuit - Part 2 ：DWDM filter based on AWG technology 平面光波导集成光路器件 第2部分：基于阵列波导光栅（AWG）技术的密集波分复用（DWDM）滤波器 |
China National Standards Part |
English PDF |
| GB/T 28511.1-2012 |
Integrated optical path devices based on planar lightwave circuit - Part 1：Optical power splitter based on PLC technology 平面光波导集成光路器件 第1部分：基于平面光波导（PLC）的光功率分路器 |
China National Standards Part |
English PDF |
| GB/T 28506-2012 |
Technical specification for national No.7 signalling system - GSM mobile telephone user Part (MTUP) 国内No.7信令方式技术要求 GSM移动电话用户部分（MTUP） |
China National Standards Part |
English PDF |
| GB/T 28504.1-2012 |
Rare earth doped optical fibre - Part 1: Characteristics of double-cladding ytterbium-doped optical fibre 掺稀土光纤 第1部分：双包层掺镱光纤特性 |
China National Standards Part |
English PDF |
| GB/T 28499.1-2012 |
Technical requirement for IP video terminal equipment - Part 1: terminal based on ITU-T H.323 基于IP网络的视讯会议终端设备技术要求 第1部分：基于ITU-T H.323协议的终端 |
China National Standards Part |
English PDF |
| GB/T 28455-2012 |
Information security technology - Entity authentication involving a trusted third Party and access architecture specification 信息安全技术 引入可信第三方的实体鉴别及接入架构规范 |
China National Standards Part |
English PDF |
| GB/T 28446.1-2012 |
Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures - Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close 手持和身体佩戴使用的无线通信设备对人体的电磁照射 人体模型、仪器和规程 第1部分：靠近耳边使用的手持式无线通信设备的SAR评估规程（频率范围300MHz～3GHz） |
China National Standards Part |
English PDF |
| GB/T 28438.1-2012 |
Objective assessment and measurement methods for coverage of digital terrestrial television broadcasting signals - Part 1: Outdoor fixed reception 地面数字电视广播信号覆盖质量客观评估和测量方法 第1部分：室外固定接收 |
China National Standards Part |
English PDF |
| GB/T 27920.2-2012 |
Specifications for digital aerial photography - Part 2: Push-broom digital aerial photography 数字航空摄影规范 第2部分：推扫式数字航空摄影 |
China National Standards Part |
English PDF |
| GB/T 25068.2-2012 |
Information technology - Security techniques - IT network security - Part 2: Network security architecture 信息技术 安全技术 IT网络安全 第2部分：网络安全体系结构 |
China National Standards Part |
English PDF |
| GB/T 25068.1-2012 |
Information technology - Security techniques - IT network security - Part 1: Network security management 信息技术 安全技术 IT网络安全 第1部分：网络安全管理 |
China National Standards Part |
English PDF |
| GB/T 21645.8-2012 |
Technical requirements for automatically switched optical network - Part 8: Routing 自动交换光网络(ASON）技术要求 第8部分：路由 |
China National Standards Part |
English PDF |
| GB/T 21645.5-2012 |
Technical requirements for automatically switched optical network - Part 5: User-Network Interface(UNI) 自动交换光网络(ASON）技术要求 第5部分：用户-网络接口(UNI) |
China National Standards Part |
English PDF |
| GB/T 21642.4-2012 |
Technical requirements for IP video conference system devices - Part 4: Gatekeeper 基于IP网络的视讯会议系统设备技术要求 第4部分：网守（GK） |
China National Standards Part |
English PDF |
| GB/T 21642.3-2012 |
Technical requirements for IP video conference system devices - Part 3: multipoint control unit 基于IP网络的视讯会议系统设备技术要求 第3部分：多点控制单元（MCU） |
China National Standards Part |
English PDF |
| GB/T 2900.90-2012 |
Electrotechnical terminology - Electrical and electronic measurements and measuring instruments - Part 4: Specific terms according to the type of instruments 电工术语 电工电子测量和仪器仪表 第4部分：各类仪表的特殊术语 |
China National Standards Part |
English PDF |
| GB/T 2900.89-2012 |
Electrotechnical terminology - Electrical and electronic measurements and measuring instruments - Part 2: General terms relating to electrical measurements 电工术语 电工电子测量和仪器仪表 第2部分：电测量的通用术语 |
China National Standards Part |
English PDF |
| GB 18080.1-2012 |
Health protection zone for textile industry - Part 1：Cotton, chemical fiber textile and dyeing finishing industry 纺织业卫生防护距离 第1部分：棉、化纤纺织及印染精加工业 |
China National Standards Part |
English PDF |
| GB 18078.1-2012 |
Health protection zone for agricultural and sideline food processing industry - Part 1：Slaughter，meat-processing industry 农副食品加工业卫生防护距离 第1部分：屠宰及肉类加工业 |
China National Standards Part |
English PDF |
| GB 18075.1-2012 |
Health protection zone for manufacturing industry of transportation facilities - Part 1：Automobile industry 交通运输设备制造业卫生防护距离 第1部分：汽车制造业 |
China National Standards Part |
English PDF |
| GB 18071.7-2012 |
Health protection zone for basic chemistry industry - Part 7：Yellow phosphorus industry 基础化学原料制造业卫生防护距离 第7部分：黄磷制造业 |
China National Standards Part |
English PDF |
| GB 18071.6-2012 |
Health protection zone for basic chemistry industry - Part 6：Sodium sulphuret industry 基础化学原料制造业卫生防护距离 第6部分：硫化碱制造业 |
China National Standards Part |
English PDF |
| GB 18071.3-2012 |
Health protection zone for basic chemistry industry - Part 3：Sulfuric acid industry 基础化学原料制造业卫生防护距离 第3部分：硫酸制造业 |
China National Standards Part |
English PDF |
| GB 18071.1-2012 |
Health protection zone for basic chemistry industry - Part 1：Caustic soda industry 基础化学原料制造业卫生防护距离 第1部分：烧碱制造业 |
China National Standards Part |
English PDF |
| GB 18068.4-2012 |
Health protection zone for non-metallic mineral products industry - Part 4：Graphite and charcoal industry 非金属矿物制品业卫生防护距离 第4部分：石墨碳素制品业 |
China National Standards Part |
English PDF |
| GB 18068.3-2012 |
Health protection zone for non-metallic mineral products industry - Part 3：Asbestos products industry 非金属矿物制品业卫生防护距离 第3部分：石棉制品业 |
China National Standards Part |
English PDF |
| GB 18068.2-2012 |
Health protection zone for non-metallic mineral products industry - Part 2：Lime industry 非金属矿物制品业卫生防护距离 第2部分：石灰制造业 |
China National Standards Part |
English PDF |
| GB 18068.1-2012 |
Health protection zone for non-metallic mineral products industry - Part 1：Cement industry 非金属矿物制品业卫生防护距离 第1部分：水泥制造业 |
China National Standards Part |
English PDF |
| GB/T 9704-2012 |
Layout key for official document of Party and government organs 党政机关公文格式 |
China National Standards Part |
English PDF |
| GB/T 18851.1-2012 |
Non-destructive testing - Penetrant testing - Part 1: General principles 无损检测 渗透检测 第1部分：总则 |
China National Standards Part |
English PDF |
| GB 5237.6-2012 |
Wrought aluminium alloy extruded profiles for architecture - Part 6: Thermal barrier profiles 铝合金建筑型材 第6部分：隔热型材 |
China National Standards Part |
English PDF |
| GB 567.4-2012 |
Bursting disc safety devices － Part 4: Type test 爆破片安全装置 第4部分：型式试验 |
China National Standards Part |
English PDF |
| GB 567.3-2012 |
Bursting disc safety devices － Part 3: Classification and mounting dimensions 爆破片安全装置 第3部分：分类及安装尺寸 |
China National Standards Part |
English PDF |
| GB 567.2-2012 |
Bursting disc safety devices － Part 2：Application,selection and installation 爆破片安全装置 第2部分：应用、选择与安装 |
China National Standards Part |
English PDF |
| GB 567.1-2012 |
Bursting disc safety devices － Part 1：Basic requirment 爆破片安全装置 第1部分：基本要求 |
China National Standards Part |
English PDF |
| GB/T 239.2-2012 |
Metallic materials - Wire - Part 2: Reverse torsion test 金属材料 线材 第2部分：双向扭转试验方法 |
China National Standards Part |
English PDF |
| GB/T 239.1-2012 |
Metallic materials - Wire - Part 1: Simple torsion test 金属材料 线材 第1部分：单向扭转试验方法 |
China National Standards Part |
English PDF |
| GB/T 23615.2-2012 |
Accessorial material for architectural aluminum alloy profiles - Part 2: Material for thermal barrier polyurethane 铝合金建筑型材用辅助材料 第2部分：聚氨酯隔热胶材料 |
China National Standards Part |
English PDF |
| GB/T 28279.2-2012 |
Plain bearings - Hydrostatic plain journal bearings with drainage grooves under steady-state conditions - Part 2: Characteristic values for calculation of oil-lubricated plain journal bearings with drainage grooves 滑动轴承 稳态条件下带回油槽流体静压径向滑动轴承 第2部分：带回油槽油润滑径向滑动轴承计算的特性值 |
China National Standards Part |
English PDF |
| GB/T 28279.1-2012 |
Plain bearing - Hydrostatic plain journal bearings with drainage grooves under steady-state conditions - Part 1: Calculation of oil-lubricated plain journal bearings with drainage grooves 滑动轴承 稳态条件下带回油槽流体静压径向滑动轴承 第1部分：带回油槽油润滑径向滑动轴承的计算 |
China National Standards Part |
English PDF |
| GB/T 28278.2-2012 |
Plain bearings - Hydrostatic plain journal bearings without drainage grooves under steady-state conditions - Part 2: Characteristic values for calculation of oil-lubricated plain journal bearings without drainage grooves 滑动轴承 稳态条件下不带回油槽流体静压径向滑动轴承 第2部分：不带回油槽油润滑径向滑动轴承计算的特性值 |
China National Standards Part |
English PDF |
| GB/T 28278.1-2012 |
Plain bearings - Hydrostatic plain journal bearings without drainage grooves under steady-state conditions - Part 1: Calculation of oil-lubricated plain journal bearings without drainage grooves 滑动轴承 稳态条件下不带回油槽流体静压径向滑动轴承 第1部分：不带回油槽油润滑径向滑动轴承的计算 |
China National Standards Part |
English PDF |
| GB/T 28267.1-2012 |
Steel cord conveyor belts - Part 1: Design,dimensions and mechanical requirements for conveyor belts for general use 钢丝绳芯输送带 第1部分：普通用途输送带的设计、尺寸和机械要求 |
China National Standards Part |
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 Part |
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 Part |
English PDF |
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