China principle Industry Standards English PDF List

China "principle" Industry Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
SN/T 5624-2023	Testing laboratory quality and safety risk management general principles {译} 检测实验室质量安全风险管理通则	China Import&Export Inspection Industry Standards principle	English PDF
GH/T 1431-2023	General Technical Requirements for Intelligent Fruit Grading Production Lines General principles {译} 水果智能分级生产线通用技术要求总则	China Supply and marketing cooperation Industry Standards principle	English PDF
NB/T 11307.1-2023	Guidelines for assessment of fire hazards of electrical equipment and materials Part 1: General principles {译} 电力设备与材料着火危险评定导则第1部分：总则	China Energy Industry Standards principle	English PDF
NB/T 11305.1-2023	Two-way interaction between charging and discharging of electric vehicles Part 1: General principles {译} 电动汽车充放电双向互动第1部分：总则	China Energy Industry Standards principle	English PDF
HB 8581-2020	Hydraulic transmission Automatic particle counting method using shading principle to determine particle contamination of liquid samples {译} 液压传动采用遮光原理的自动颗粒计数法测定液样颗粒污染度	China Aviation Industry Standards principle	English PDF
HB 6167.1-2014(2017)	Environmental conditions and test methods for airborne equipment of civil aircraft Part 1: General principles HB 6167.1-1989 {译} 民用飞机机载设备环境条件和试验方法第1部分：总则	China Aviation Industry Standards principle	English PDF
QB/T 1753.4-2023	Light Industrial Machinery Product Drawings and Design Documents Part 4: Numbering principle {译} 轻工机械产品图样及设计文件第4部分：编号原则	China Light Industry Industry Standards principle	English PDF
DL／T 2599.1—2023	Guidelines for the selection of components and raw materials for power transformers Part 1: General principles {译} 电力变压器用组部件和原材料选用导则第1部分：总则	China Electricity Industry Standards principle	English PDF
WS/T 363.1—2023	Health Information Data Meta Catalog Part 1: General principles {译} 卫生健康信息数据元目录第1部分:总则	China Hygiene Industry Standards principle	English PDF
YC/T 599.1-2023	Technical Specifications for Online Measuring Instruments during Cigarette Processing Part 1: General principles {译} 卷烟加工过程在线计量器具计量技术规范第1部分：总则	China Tobacco Industry Standards principle	English PDF
WH/T 99.1-2023	Digital Protection of Intangible Cultural Heritage Digital Resource Collection and Description Part 1: General principles {译} 非物质文化遗产数字化保护数字资源采集和著录第1部分：总则	China Culture Industry Standards principle	English PDF
SJ/T 11839.1-2022	Discrete Manufacturing Execution Process Cloud Specification Part 1: General principles {译} 离散型制造执行过程云化规范第1部分：总则	China Electronics Industry Standards principle	English PDF
YY/T 0340-2009	Surgical Implants Basic principles {译} 外科植入物基本原则	China Pharmaceutics Industry Standards principle	English PDF
YD/T 4306.1-2023	Technical Requirements for Mobile Internet Customer Experience Management Part 1: Basic principles {译} 移动互联网客户体验管理技术要求第1部分：基本原则	China Telecommunication Industry Standards principle	English PDF
YD/T 4254.1-2023	Industrial Internet - Generic cabling system - Part 1: General principles {译} 工业互联网综合布线系统第1部分：总则	China Telecommunication Industry Standards principle	English PDF
YY/T 0771.4—2015	Medical devices of animal origin - Part 4: principles for the removal and/or inactivation of transmissible spongiform encephalopathy (TSE) agents and their process validation analysis {译} 动物源医疗器械第4部分：传播性海绵状脑病（TSE)因子的去除和/或灭活及其过程确认分析的原则	China Pharmaceutics Industry Standards principle	English PDF
NY/T 4197.1-2022	Microbial pesticides—Guidelines for environmental risk assessment—Part 1: General principles {译} 微生物农药环境风险评估指南第1部分：总则	China Agriculture Industry Standards principle	English PDF
NB/T 10837.1-2021	Recommended practices for shale gas factory operations Part 1: General principles {译} 页岩气工厂化作业推荐作法第1部分：总则	China Energy Industry Standards principle	English PDF
YD/T 4177.1-2022	Minimum necessary assessment specifications for the collection and use of personal information by mobile Internet applications (APP) Part 1: General principles {译} 移动互联网应用程序（APP）收集使用个人信息最小必要评估规范第1部分：总则	China Telecommunication Industry Standards principle	English PDF
NY/T 4174-2022	General principles of biological nutrition fortification of edible agricultural products {译} 食用农产品生物营养强化通则	China Agriculture Industry Standards principle	English PDF
JB/T 14347.1-2022	Electrical equipment and systems for industrial machinery - Specifications for functional testing of numerical control systems - Part 1: General principles {译} 工业机械电气设备及系统数控系统功能测试规范第1部分：总则	China Machinery Industry Standards principle	English PDF
JB/T 14195.1-2022	General requirements for the operation management of electric motor digital workshop Part 1: General principles {译} 电机数字化车间运行管理的一般要求第1部分：总则	China Machinery Industry Standards principle	English PDF
YD/T 3888.1-2021	Technical Requirements for Intelligent Maintenance of Communication Networks Part 1: Basic principles {译} 通信网智能维护技术要求第1部分：基本原则	China Telecommunication Industry Standards principle	English PDF
YD/T 3887.1-2021	Technical requirements for the management and assurance of private line services for government and enterprise customers - Part 1: Basic principles {译} 政企客户专线业务管理及保障技术要求第1部分：基本原则	China Telecommunication Industry Standards principle	English PDF
SN/T 3011.1-2020	Identification of Phases of Imported Solid Waste of Metallic Minerals by X-ray Diffraction Part 1: General principles {译} X射线衍射法鉴别金属矿产类进口固体废物物相第1部分：通则	China Import&Export Inspection Industry Standards principle	English PDF
SC/T 1150-2020	General principles of technical specifications for land-based water-push containerized aquaculture {译} 陆基推水集装箱式水产养殖技术规范通则	China Aquaculture Industry Standards principle	English PDF
QB/T 5501.1-2020	Green Supply Chain Management of Household Appliances Part 1: General principles {译} 家用电器绿色供应链管理第1部分：通则	China Light Industry Industry Standards principle	English PDF
LY/T 3242-2020	General principles of Energy Management for Forestry Enterprises {译} 林业企业能源管理通则	China Forestry Industry Standards principle	English PDF
YD/T 3042.1-2016	(Precision synchronization network management technology - Part 1: Basic principles) 高精度同步网网络管理技术要求第1部分：基本原则	China Telecommunication Standards principle	English PDF
YD/T 2336.1-2016	(Packet Transport Network (PTN) network management technology - Part 1: Basic principles) 分组传送网（ptn）网络管理技术要求第1部分：基本原则	China Telecommunication Standards principle	English PDF
YY/T 0467-2016	(Medical equipment to protect the safety and performance of medical devices accepted the basic principles of standards Selection Guide) 医疗器械保障医疗器械安全和性能公认基本原则的标准选用指南	China Medicine & Medical Device Standards principle	English PDF
HG/T 22803-2016	(Chemical Mining Engineering tris (ii) the principle of specification grade ore) 化工矿山工程设计三（二）级矿量原则规范	China Chemical Industry Standards principle	English PDF
DL/T 860.7510-2016	(Communication networks and power automation systems - Part 7-510: Basic communication structure - principles and Applications Hydropower Plant Modeling Guide) 电力自动化通信网络和系统第7-510部分：基本通信结构水力发电厂建模原理与应用指南	China Electricity & Power Standards principle	English PDF
TB/T 3416.1-2015	Coded designation system for EMU/DMU - Part 1: General principles 动车组编码标识系统第1部分：总则	China Railway & Train Standards principle	English PDF
YD/T 695-2015	(City telephone communication system over-voltage over-current protection principles and technical requirements) 市话通信系统过电压过电流防护原则及技术要求	China Telecommunication Standards principle	English PDF
YD/T 2794.1-2015	(Wavelength Division Multiplexing (WDM) network management technology - Part 1: Basic principles) 波分复用（wdm）网络管理技术要求第1部分：基本原则	China Telecommunication Standards principle	English PDF
YY/T 0771.4-2015	Medical devices utilizing animal tissues and their derivatives. Part 4:principles for elimination and/or inactivation of transmissible spongiform encephalopathy agents and validation assays for those processes 动物源医疗器械第4部分：传播性海绵状脑病（tse）因子的去除和/或灭活及其过程确认分析的原则	China Medicine & Medical Device Standards principle	English PDF
YD/T 2786.1-2014	(Support multi-service bearer IP/MPLS Part 1 requires the network management technology: basic principles) 支持多业务承载的IP/MPLS网络管理技术要求第1部分:基本原则	China Telecommunication Standards principle	English PDF
DL/T 860.71-2014	(Power Automation Communication networks and systems - Part 7-1: Basic communication structure principles and models) 电力自动化通信网络和系统第7-1部分：基本通信结构原理和模型	China Electricity & Power Standards principle	English PDF
SJ/T 11469-2014	Test methods for the piezoelectric properties of ceramics shear piezoelectric strain constant d15 testing on quasi-static principle 压电陶瓷材料性能测试方法切变压电应变常数d15的准静态测试	China Electronics Standards principle	English PDF
YD/T 2616.1-2014	(Part 1 (PON) network management requirements for passive optical network technology: Basic principles) 无源光网络（pon）网络管理技术要求第1部分：基本原则	China Telecommunication Standards principle	English PDF
JT/T 697.1-2013	Basic data element of transportation information Part1: General principles 交通信息基础数据元第1部分:总则	China Highway & Transportation Standards principle	English PDF
SN/T 3522-2013	General principles for risk assessment of chemicals 化学品风险评估通则	China Import Export Inspection Standards principle	English PDF
YD/T 2191.1-2012	Installation and mitigation guidelines of Electromagnetic Compatibility (EMC)for Telecommunication Equipments. Part 1: general principles 电信设备电磁兼容安装及缓和措施第1部分：总则	China Telecommunication Standards principle	English PDF
SN/T 3315.1-2012	Textiles. Quantitative analysis of regeneration cellulose fiber and cotton. Part 1: General principles of testing 纺织品再生纤维素纤维与棉的定量分析第1部分：试验通则	China Import Export Inspection Standards principle	English PDF
DL/T 1189-2012	General principle of energy audit on power plant 火力发电厂能源审计导则	China Electricity & Power Standards principle	English PDF
SN/T 3082.1-2012	Specifications for the inspection of export fireworks and firecracker. Part 1: General principles 出口烟花爆竹产品检验规范第1部分：总则	China Import Export Inspection Standards principle	English PDF
SN/T 3080.1-2012	Cleanrooms and associated controlled environments. Biocontamination control. Part 1: General principles and methods 洁净室和相关受控环境生物污染控制第1部分：通则和方法	China Import Export Inspection Standards principle	English PDF
JJF 1343-2012	General and Statistical principles for Characterization of Reference Materials 标准物质定值的通用原则及统计学原理	China Metrological Standards principle	English PDF
NB/T 20100-2012	principles for main primary system and main steam system overpressure analysis of pressurized water reactor nuclear power plants 压水堆核电厂反应堆一回路系统和主蒸汽系统超压分析要求	China Energy industry Standards principle	English PDF
SN/T 3003-2011	Plastics. Thermogravimetry (TG) of polymers. General principle 塑料聚合物的热重分析法（tg）一般原则	China Import Export Inspection Standards principle	English PDF
SB/T 10579-2011	General principle for commodity check 商品验货通则	China Commerce Standards principle	English PDF
QB/T 1187-2010	Footwear. principle of inspection and marking, package, transportion, storage 鞋类检验规则及标志、包装、运输、贮存	China Light Industry Standards principle	English PDF
DL/T 799.1-2010	Labour environment monitoring technological specification of eletric power industry. Part 1: General principles 电力行业劳动环境监测技术规范第1部分:总则	China Electricity & Power Standards principle	English PDF
YD/T 2149.1-2010	Technical requirements for optical transport network management. Part 1: Basic principle 光传送网（otn）网络管理技术要求第1部分：基本原则	China Telecommunication Standards principle	English PDF
SN/T 2723.1-2010	Laboratory proficiency testing. Part 1: General principles 实验室能力验证第1部分：总则	China Import Export Inspection Standards principle	English PDF
TB/T 3234-2010	Equipment standard and use principle of railroad RedCross medicine kit 铁路红十字药箱配备标准及使用原则	China Railway & Train Standards principle	English PDF
NB/T 31002.1-2010	Wind turbine. Part 25-1: Communications for monitoring and control of wind power plants. Overall description of principles and models 风力机第25-1部分:风力发电场监控系统通信-原则与模式	China Energy industry Standards principle	English PDF
NB/T 31002-2010	Communications for monitoring and control of wind power plants. Overall description of principles and models 风力发电场监控系统通信-原则与模式	China Energy industry Standards principle	English PDF
SN/T 2465-2010	Export goods delivery vehicles suitable for the identification procedures General principles 出口商品运载工具适载鉴定规程通则	China Import Export Inspection Standards principle	English PDF
YY/T 0340-2009	Implants for surgery. Fundamental principles 外科植入物基本原则	China Medicine & Medical Device Standards principle	English PDF
SB/T 10529-2009	Technical specification for circulation of second-hand equipment. General principle 二手设备流通技术规范通则	China Commerce Standards principle	English PDF
JT/T 25-2009	The guidance principle of energy balance for port enterprises 港口企业能量平衡导则	China Highway & Transportation Standards principle	English PDF
JT/T 744-2009	Therapy principle of decompression sickness for heliox saturation diving to 200m 200m氦氧饱和潜水减压病处置原则	China Highway & Transportation Standards principle	English PDF
SN/T 2294.1-2009	Inspection and quarantine laboratory management. Part 1: General principles 检验检疫实验室管理第1部分：总则	China Import Export Inspection Standards principle	English PDF
SN/T 2115-2008	Determination of the total nitrogen content and calculation of the crude protein content in food and feed for import and export. Combustion according to the dumas principle 进出口食品和饲料中总氮及粗蛋白的检测方法杜马斯燃烧法	China Import Export Inspection Standards principle	English PDF
SY/T 5933-2008	Code naming principle of seismic reflection horizon 地震反射层地震地质层位代号确定原则	China Oil & Gas Industry Standards principle	English PDF
QC/T 802-2008	General principles of drawing and document for motorcycles and mopeds 摩托车和轻便摩托车产品图样和设计文件的基本要求	China Automobile & Vehicle industry Standards principle	English PDF
YD/T 1768.1-2008	Technical Specification for SDH-based MSTP Network Management System. Part 1: Basic principle 基于同步数字体系(sdh)的多业务传送节点(mstp)网络管理技术要求第1部分:基本原则	China Telecommunication Standards principle	English PDF
YD/T 1767.1-2008	Technical Requirements for Automatically Switched Optical Network Management. Part 1: Basic principle 自动交换光网络(ason)网络管理技术要求第1部分:基本原则	China Telecommunication Standards principle	English PDF
SB/T 10447-2007	Fruits and vegetables. principles and techniques of the controlled atmosphere method of storage 水果和蔬菜气调贮藏原则与技术	China Commerce Standards principle	English PDF
SB/T 10429-2007	Management principle of the home appliance speciality store 家电专业店经营规范	China Commerce Standards principle	English PDF
YD/T 1584.1-2007	Technical Specification for 2GHz Digital Cellular Mobile Communications Network Management General. Part 1: Basic principles 2ghz数字蜂窝移动通信网网络管理通用技术要求第1部分基本原则	China Telecommunication Standards principle	English PDF
YD/T 1611.1-2007	Technical Requirements for Management Interface of IP Network. Part 1: General principles ip网络管理接口技术要求第1部分:总则	China Telecommunication Standards principle	English PDF
AQ 8001-2007	Cencral principle of safety assessment 安全评价通则	China Safety & Security Standards principle	English PDF
SJ 20961-2006	General principles of measuring methods of A/D and D/A converters for integrated circuits 集成电路a/d和d/a转换器测试方法的基本原理	China Electronics Standards principle	English PDF
FZ/T 90060.1-2005	Textile machinery. Product drawing and design document. Part 1: General principles 纺织机械产品图样及设计文件第1部分总则	China Textile & Garment industry Standards principle	English PDF
JJF 1139-2005	principle and method for determination verification period of measuring instruments 计量器具检验周期确定原则和方法	China Metrological Standards principle	English PDF
HJ/T 241-2005	The principle and method of confirm limits for exhaust smoke from lug-down mode for in-use motor vehicles with C.I.E. (compression ignition engine) 确定压燃式发动机在用汽车加载减速法排气烟度排放限值的原则和方法	China Environmental Protection Industry Standards principle	English PDF
HJ/T 240-2005	The principle and method of confirm limits for exhaust pollutants from in-use vehicle equipped ignition engine under simple driving mode conditions 确定点燃式发动机在用汽车简易工况法排气污染物排放限值的原则和方法	China Environmental Protection Industry Standards principle	English PDF
DL/Z 634.11-2005	Telecontrol equipment and systems. Part 1-1: General considerations. General principles 远动设备及系统第1-1部分：总则基本原则	China Electricity & Power Standards principle	English PDF
SN/T 0400.1-2005	Rules for inspection of canned food for import and export. Part 1: General principles 进出口罐头食品检验规程第1部分:总则	China Import Export Inspection Standards principle	English PDF
HJ/T 241-2005	principles and methods for determining the exhaust smoke emission limits of compression ignition engines in the vehicle loading and deceleration method {译} 确定压燃式发动机在用汽车加载减速法排气烟度排放限值的原则和方法	China Environment Industry Standards principle	English PDF
HJ/T 240-2005	principles and methods for determining the emission limits of exhaust pollutants by the simple working condition method of ignition engines in use {译} 确定点燃式发动机在用汽车简易工况法排气污染物排放限值的原则和方法	China Environment Industry Standards principle	English PDF
YD/T 1289.1-2003	Synchronous Digital Hierarchy (SDH) transport network management system technical specification. Part 1: Basic principle 同步数字体系(sdh)传输网网络管理技术要求第一部分:基本原则	China Telecommunication Standards principle	English PDF
SN/T 1256-2003	General rules for drafting of frontier health and quarantine standards. General principle 国境卫生检疫标准编写基本规则总则	China Import Export Inspection Standards principle	English PDF
TB/T 1999-2003	Drawing and design document of product. General principles 产品图样及设计文件完整性	China Railway & Train Standards principle	English PDF
HJ 95-2003	Technical guiding principle of evaluating environmental risks in destroying the chemical weapons abandoned in China by Japan 销毁日本遗弃在华化学武器环境风险评价技术导则	China Environmental Protection Industry Standards principle	English PDF
HG 3308-2001	principles and procedure of the nomenclature for common names of pesticides and pesticide formulations 农药通用名称及制剂名称命名原则和程序	China Chemical Industry Standards principle	English PDF
TB/T 122-2001	The principle of rolling stock product drawing and design document No. 机车车辆产品图样及设计文件编号原则	China Railway & Train Standards principle	English PDF
SJ/T 10805-2000	Semiconductor interface integrated circuits General principles of measuring methods for voltage comparators 半导体集成电路电压比较器测试方法的基本原理	China Electronics Standards principle	English PDF
HG/T 3610-2000	principle for sludge and corrosion product analytical methods of industrial circulating cooling water 工业循环冷却水污垢和腐蚀产物分析方法规则	China Chemical Industry Standards principle	English PDF
HG/T 3609-2000	principle for water quality analytical methods of industrial circulating cooling water 工业循环冷却水水质分析方法规则	China Chemical Industry Standards principle	English PDF
TB/T 1120-2000	No. principle of communication signal product drawings and technical documents 通信信号产品图样及技术文件的编号原则	China Railway & Train Standards principle	English PDF
DL/T 575.9-1999	Ergonomic principles for the design of control centres. Part 9: Displays, controls, interactions 控制中心人机工程设计导则第9部分：显示器、控制器及相互作用	China Electricity & Power Standards principle	English PDF
DL/T 575.8-1999	Ergonomic principles for the design of control centres. Part 8: Workstation layout and dimensions 控制中心人机工程设计导则第8部分：工作站的布局和尺寸	China Electricity & Power Standards principle	English PDF
DL/T 575.7-1999	Ergonomic principles for the design of control centres. Part 7: Control room layout 控制中心人机工程设计导则第7部分：控制室的布局	China Electricity & Power Standards principle	English PDF
DL/T 575.6-1999	Ergonomic principles for the design of control centres. Part 6: Principles of control centres arrangement 控制中心人机工程设计导则第6部分：控制中心总体布局原则	China Electricity & Power Standards principle	English PDF
DL/T 575.5-1999	Ergonomic principles for the design of control centres. Part 5: Principles for the design of control centres 控制中心人机工程设计导则第5部分：控制中心设计原则	China Electricity & Power Standards principle	English PDF
DL/T 575.4-1999	Ergonomic principles for the design of control centres. Part 4: Limited space dimensions 控制中心人机工程设计导则第4部分：受限空间尺寸	China Electricity & Power Standards principle	English PDF
DL/T 575.3-1999	Ergonomic principles for the design of control centres. Part 3: Hand reach and zones of control 控制中心人机工程设计导则第3部分：手可及范围与操作区划分	China Electricity & Power Standards principle	English PDF
DL/T 575.2-1999	Ergonomic principles for the design of control centres. Part 2: Visual fields and zones of field of vision 控制中心人机工程设计导则第2部分：视野与视区划分	China Electricity & Power Standards principle	English PDF
DL/T 575.12-1999	Ergonomic principles for the design of control centres. Part 12: Visual display terminal workstations 控制中心人机工程设计导则第12部分：视觉显示终端(VDT)工作站	China Electricity & Power Standards principle	English PDF
DL/T 575.1-1999	Ergonomic principles for the design of control centres. Part 1: Terms and definitions 控制中心人机工程设计导则第1部分：术语及定义	China Electricity & Power Standards principle	English PDF
DL/T 575.11-1999	Ergonomic principles for the design of control centres. Part 11: Principles for the evaluation of control rooms 控制中心人机工程设计导则第11部分：控制室的评价原则	China Electricity & Power Standards principle	English PDF
DL/T 575.10-1999	Ergonomic principles for the design of control centres. Part 10: Principles of environmental requirements 控制中心人机工程设计导则第10部分：环境要求原则	China Electricity & Power Standards principle	English PDF
QB/T 3540.4-1999	(Sewing product design and design principles file number) 缝纫机产品图样及设计文件编号原则	China Light Industry Standards principle	English PDF
TB/T 1121-1998	(Communication signals enterprise standard principles) 通信信号企业标准的编号原则	China Railway & Train Standards principle	English PDF
JG/T 5106-1998	The safety code for mechanical parking equipment. General principle	China Building & Construction Standards principle	English PDF
TB/T 1022-1998	(Railway Signal Model establishment principles and management practices)	China Railway & Train Standards principle	English PDF
YD/T 930-1997	principles for eh maintenance of ISDNs isdn的管理原则	China Telecommunication Standards principle	English PDF
YD/T 852-1996	General design principles of telecommunication management network (TMN) 电信管理网（tmn）总体设计原则	China Telecommunication Standards principle	English PDF
HJ 14-1996	principle and technical methods for regionalizing ambient air quality function	China Environmental Protection Industry Standards principle	English PDF
DL/T 562-1995	Guiding principle for selecting numbers of suspension insulator strings in areas with high elevation and pollution 高海拔污秽地区悬式绝缘子串片数选用导则	China Electricity & Power Standards principle	English PDF
TB/T 2615-1994	(Railway signal failure - safety principles) 铁道信号故障--安全原则	China Railway & Train Standards principle	English PDF
HG/T 2618-1994	(Model layout principles printing photographic materials - Part 1: silver halide photographic material) 印刷用感光材料型号编排原则.第1部分：银盐感光材料	China Chemical Industry Standards principle	English PDF
QB/T 1804-1993	General principles of inspection and mark, packing, transport, storage for industrial enzymes 工业酶制剂通用检验规则和标志、包装、运输、贮存	China Light Industry Standards principle	English PDF
DL 511-1993	Guiding principle for classification and coding of spare accessories for power station equipment 电站设备备品配件分类与编码导则	China Electricity & Power Standards principle	English PDF
SY/T 4024-1993	Standard for quality inspection and evaluation of petroleum construction engineering General principles	China Oil & Gas Industry Standards principle	English PDF
TB/T 1123-1992	(Railway signal interlocking principle chart prepared) 铁路信号联锁图表编制原则	China Railway & Train Standards principle	English PDF
TB/T 1023-1992	(Railway Signal principle prepared text symbol)	China Railway & Train Standards principle	English PDF
HG/T 3012-1989	Coding principle for organic additives in photographic materials	China Chemical Industry Standards principle	English PDF
JJG(MT)4-1988	(Catalytic combustion of methane detector test procedures principle)	China Metrological Standards principle	English PDF
TB 1530-1984	(Evaluation principles and calculation methods Railway economic effects of standardization)	China Railway & Train Standards principle	English PDF

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