Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 3906-2021 |
Management technical requirements for telecom operation and maintenance management data{译} 电信运营维护管理数据的管理技术要求 |
China Telecommunication Industry Standards |
 English PDF |
| YD/T 3905-2021 |
Decentralized IoT business platform framework based on blockchain technology{译} 基于区块链技术的去中心化物联网业务平台框架 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3904-2021 |
Technical requirements for video application and video service platform playback status information reporting interface{译} 视频应用与视频服务平台播放状态信息上报接口技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3903-2021 |
Content distribution network technical requirements Content service provider side interface{译} 内容分发网络技术要求 内容服务提供商侧接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3902-2021 |
Technical Requirements and Test Methods for Typical Scenarios of Data Center Lossless Networks{译} 数据中心无损网络典型场景技术要求和测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3901-2021 |
YANG data model technical requirements for BGP protocol{译} 用于BGP协议的YANG数据模型技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3900-2021 |
IP source address verification technical requirements framework{译} IP源地址验证技术要求 框架 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3899-2021 |
Latency Tolerant Network LTP Protocol Technical Requirements{译} 延迟容忍网络 LTP协议技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3898-2021 |
Latency Tolerant Network Bundle Protocol Technical Requirements{译} 延迟容忍网络 bundle协议技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3897-2021 |
Network Function Virtualization (NFV) Lifecycle Management Technical Requirements{译} 网络功能虚拟化（NFV）生命周期管理技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3896-2021 |
Technical Requirements for Network Function Virtualization (NFV) Configuration Management{译} 网络功能虚拟化（NFV）配置管理技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3895-2021 |
Lithium titanate battery pack for communication{译} 通信用钛酸锂电池组 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 777-2021 |
Inverter equipment for communication{译} 通信用逆变设备 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3894-2021 |
Dedicated disconnector for power surge protectors for communication bureaus (stations){译} 通信局(站)用电源浪涌保护器专用脱离器 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3893-2021 |
Telecommunication equipment wind test{译} 电信设备风力试验 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3892-2021 |
Service capability requirements for interconnection between virtual private cloud and local computing environment{译} 虚拟私有云与本地计算环境互联服务能力要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3891-2021 |
Interconnection service capability requirements between virtual private clouds{译} 虚拟私有云间互联服务能力要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3890-2021 |
Technical requirements for multi-cloud management platform based on cloud computing{译} 基于云计算的多云管理平台技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3764.7-2021 |
Cloud computing service customer trust system capability requirements Part 7: Physical cloud host{译} 云计算服务客户信任体系能力要求 第7部分：物理云主机 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3889-2021 |
Technical requirements for IPTV audio and video coding parameters{译} IPTV音视频编码参数技术要求 |
China Telecommunication Industry Standards |
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 |
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 |
English PDF |
| YD/T 3886-2021 |
Video Service Multicast Capability Opening Technical Requirements System Architecture{译} 视频业务组播能力开放技术要求 系统架构 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3885-2021 |
Data center switch equipment VxLAN test method{译} 数据中心交换机设备VxLAN测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3884-2021 |
Source address verification test method in Ethernet access mode Coexistence of multiple address allocation methods{译} 以太网接入方式下源地址验证测试方法 多种地址分配方式共存场景 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3883-2021 |
Content Delivery Network Technical Requirements Content Routing{译} 内容分发网络技术要求 内容路由 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3882-2021 |
Content Delivery Network Technical Requirements Functional Architecture{译} 内容分发网络技术要求 功能体系架构 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3881-2021 |
Latency Tolerant Network Architecture{译} 延迟容忍网络 体系架构 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3880-2021 |
The new gTLD service on the Internet - the technical requirements for the monthly operation report of the registry{译} 互联网新通用顶级域名服务 注册局运行月报规范技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3879-2021 |
New gTLD service on the Internet - Technical requirements for the hosting of registry business data{译} 互联网新通用顶级域名服务 注册局业务数据托管技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3878-2021 |
New gTLD service on the Internet - Technical requirements for redemption period of domain name registration agreement{译} 互联网新通用顶级域名服务 域名注册协议赎回期技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3877-2021 |
New gTLD service on the Internet - Technical requirements for the start-up period of the domain name registration agreement{译} 互联网新通用顶级域名服务 域名注册协议启动期技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3876-2021 |
New generic top-level domain name service on the Internet - Domain Name Trademark Protection Service (TMCH) Process and Interface Technical Requirements{译} 互联网新通用顶级域名服务 域名商标保护服务（TMCH）流程和接口技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3875-2021 |
New gTLD service area on the Internet - Technical requirements for file access{译} 互联网新通用顶级域名服务 区文件存取技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3874-2021 |
New gTLD service on the Internet - Technical requirements for bulk data access{译} 互联网新通用顶级域名服务 批量数据存取技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3873-2021 |
Internet service quality monitoring system test method{译} 互联网业务质量监测系统测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3872-2021 |
Technical requirements for the interface of the Internet service quality monitoring system{译} 互联网业务质量监测系统接口技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 2926-2021 |
Embedded Universal Integrated Circuit Card (eUICC) Remote Management Platform Technical Requirements (Phase 1){译} 嵌入式通用集成电路卡（eUICC）远程管理平台技术要求（第一阶段） |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3871-2021 |
Evolved Mobile Packet Core (EPC) Service Chain Equipment Test Method{译} 演进的移动分组核心网络（EPC）业务链设备测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3870-2021 |
Evolved Mobile Packet Core (EPC) Service Chain Interface Test Method St/Gx{译} 演进的移动分组核心网络（EPC）业务链接口测试方法 St/Gx |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3869-2021 |
Evolved Mobile Packet Core (EPC) Service Chain Interface Technical Requirements St/Gx{译} 演进的移动分组核心网络（EPC）业务链接口技术要求 St/Gx |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3868-2021 |
General technical requirements for Evolved Mobile Packet Core (EPC) service chain{译} 演进的移动分组核心网络（EPC）业务链总体技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3867-2021 |
Guidelines for Identifying Important Data of Basic Telecommunications Enterprises{译} 基础电信企业重要数据识别指南 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3866.2-2021 |
Technical Requirements for IPTV Digital Rights Management System Part 2: Requirements for Security Protection Levels{译} IPTV数字版权管理系统技术要求 第2部分：安全保护等级要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3763.6-2021 |
Development and Operations Integration (DevOps) Capability Maturity Model Part 6: Security and Risk Management{译} 研发运营一体化（DevOps）能力成熟度模型 第6部分：安全及风险管理 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3865-2021 |
Industrial Internet Data Security Protection Requirements{译} 工业互联网数据安全保护要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3910-2021 |
Vehicle emergency alarm system based on public telecommunication network Technical requirements and test methods of vehicle emergency rescue platform{译} 基于公众电信网的车载紧急报警系统 车辆应急救援平台技术要求和测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3909-2021 |
Requirements and overall architecture of vehicle-mounted emergency alarm system based on public telecommunication network{译} 基于公众电信网的车载紧急报警系统 需求及总体架构 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5254-2021 |
Mobile Internet of Things (NB-IoT) Engineering Specifications{译} 移动物联网(NB-IoT)工程技术规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5250-2021 |
Specification for construction supervision of mobile communication repeater project{译} 移动通信直放站工程施工监理规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5248-2021 |
Engineering technical specification for multifunctional steel towers for micro communication base stations{译} 微型通信基站多功能钢杆塔工程技术规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5247-2021 |
Specification for Construction Supervision of Broadband IP Metropolitan Area Network Engineering{译} 宽带IP城域网工程施工监理规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5246-2021 |
Design specification for broadband trunking communication based on LTE technology{译} 基于LTE技术的宽带集群通信工程设计规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5196.1-2021 |
Seismic Performance Testing Specification for Server and Gateway Equipment Part 1: Server Equipment{译} 服务器和网关设备抗地震性能检测规范 第1部分：服务器设备 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5185-2021 |
IP Multimedia Subsystem (IMS) Engineering Design Specification{译} IP多媒体子系统(IMS)工程设计规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5181-2021 |
Broadband IP Metropolitan Area Network Engineering Acceptance Specification{译} 宽带IP城域网工程验收规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5163-2021 |
Engineering technical specification for telecom operation customer service call center{译} 电信运营客服呼叫中心工程技术规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5159-2021 |
Specification for acceptance of mobile multimedia message center project{译} 移动多媒体消息中心工程验收规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5142-2021 |
Technical Specification for Intelligent Network Engineering{译} 智能网工程技术规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5132-2021 |
Code for acceptance of mobile communication steel tower mast structure engineering{译} 移动通信钢塔桅结构工程验收规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5123-2021 |
Specification for construction supervision of communication line engineering{译} 通信线路工程施工监理规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 5073-2021 |
Specification for construction supervision of special telecommunications housing projects{译} 电信专用房屋工程施工监理规范 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3864-2021 |
1447MHz～1467MHz frequency band broadband digital trunking system base station equipment RF test method{译} 1447MHz～1467MHz频段宽带数字集群系统基站设备射频测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3863-2021 |
Video cloud service platform technical requirements{译} 视频云服务平台技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3862-2021 |
2GHz TD-SCDMA digital cellular mobile communication network Smart antenna integrated blind insertion interface (BMA) technical requirements and test methods{译} 2GHz TD-SCDMA数字蜂窝移动通信网 智能天线一体化盲插接口（BMA）技术要求和测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3861-2021 |
LTE digital cellular mobile communication network - Technical requirements for dedicated core network (DCN) equipment{译} LTE数字蜂窝移动通信网 专用核心网（DCN）设备技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3860-2021 |
LTE digital cellular mobile communication network enhanced machine type communication (eMTC) core network equipment test method{译} LTE数字蜂窝移动通信网 增强型机器类型通信（eMTC） 核心网设备测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3859-2021 |
LTE digital cellular mobile communication network Enhanced machine type communication (eMTC) core network equipment technical requirements{译} LTE数字蜂窝移动通信网 增强型机器类型通信（eMTC） 核心网设备技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 1968-2021 |
Intelligent heat exchange system for communication bureau station{译} 通信局站用智能热交换系统 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3420.6-2021 |
Broadband Customer Gateway Virtualization Based on Public Telecommunication Network Part 6: Technical Requirements for Virtual Enterprise Gateway Function{译} 基于公用电信网的宽带客户网关虚拟化 第6部分：虚拟企业网关功能技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3420.4-2021 |
Virtualization of Broadband Customer Gateway Based on Public Telecommunication Network Part 4: Technical Requirements for Physical Enterprise Gateway{译} 基于公用电信网的宽带客户网关虚拟化 第4部分:实体企业网关技术要求 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 2896.6-2021 |
Intelligent Optical Distribution Network Interface Technical Requirements Part 6: Interface between Intelligent Management APP and Intelligent Portable Tools{译} 智能光分配网络 接口技术要求 第6部分：智能管理APP与智能便携工具的接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3726.5-2021 |
Packet Transport Network (PTN) Network Management Technical Requirements for Group Customer Access Part 5: EMS-NMS Interface Information Model Based on IDL/IIOP Technology{译} 面向集团客户接入的分组传送网（PTN）网络管理技术要求 第5部分：基于IDL/IIOP技术的EMS-NMS接口信息模型 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3857-2021 |
Interface Test Method of Broadband Trunking Communication (B-TrunC) System (Second Stage) Based on LTE Technology Trunking Core Network to Dispatching Console Interface{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口测试方法 集群核心网到调度台接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3856-2021 |
Interface test method of broadband trunking communication (B-TrunC) system (second stage) based on LTE technology Trunking core network interface{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口测试方法 集群核心网间接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3855-2021 |
Interface Test Method for Broadband Trunking Communication (B-TrunC) System (Second Stage) Based on LTE Technology Air Interface{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口测试方法 空中接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3854-2021 |
Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology Trunking Core Network to Dispatching Console Interface{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口技术要求 集群核心网到调度台接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3853-2021 |
Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase 2) Based on LTE Technology Trunking core network interface{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口技术要求 集群核心网间接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3852-2021 |
Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology Interface between Trunking Base Station and Trunking Core Network{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口技术要求 集群基站与集群核心网间接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3851-2021 |
Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology Terminal to Trunking Core Network Interface{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口技术要求 终端到集群核心网接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3850-2021 |
Interface Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology Air Interface{译} 基于LTE技术的宽带集群通信（B-TrunC）系统（第二阶段）接口技术要求 空中接口 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 2629.1-2021 |
Evolved Mobile Packet Core (EPC) Equipment Test Method Part 1: Support for E-UTRAN Access{译} 演进的移动分组核心网络（EPC）设备测试方法 第1部分：支持E-UTRAN接入 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 2628.1-2021 |
Evolved Mobile Packet Core (EPC) Equipment Technical Requirements Part 1: Support for E-UTRAN Access{译} 演进的移动分组核心网络（EPC）设备技术要求 第1部分：支持E-UTRAN接入 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3849-2021 |
LTE digital cellular mobile communication network Dedicated core network (DCN) equipment test method{译} LTE数字蜂窝移动通信网 专用核心网（DCN）设备测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3848-2021 |
LTE-based vehicle networking wireless communication technology Test method for vehicle terminal equipment supporting direct communication{译} 基于LTE的车联网无线通信技术 支持直连通信的车载终端设备测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3847-2021 |
LTE-based vehicle networking wireless communication technology Roadside equipment test method supporting direct communication{译} 基于LTE的车联网无线通信技术 支持直连通信的路侧设备测试方法 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3846.7-2021 |
Internet Basic Resource Support System Information Exchange Interface Specification Part 7: Content Delivery Network (CDN){译} 互联网基础资源支撑系统信息交换接口规范 第7部分：内容分发网络（CDN） |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3846.6-2021 |
Internet Basic Resource Support System Information Exchange Interface Specification Part 6: IP Address{译} 互联网基础资源支撑系统信息交换接口规范 第6部分：IP地址 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3846.5-2021 |
Specification of Information Exchange Interface for Internet Basic Resource Support System Part 5: ICP Website{译} 互联网基础资源支撑系统信息交换接口规范 第5部分：ICP网站 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3846.4-2021 |
Internet Basic Resource Support System Information Exchange Interface Specification Part 4: Domain Name Recursive Resolution Service{译} 互联网基础资源支撑系统信息交换接口规范 第4部分：域名递归解析服务 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3846.3-2021 |
Internet Basic Resource Support System Information Exchange Interface Specification Part 3: Domain Name Authority Resolution Service{译} 互联网基础资源支撑系统信息交换接口规范 第3部分：域名权威解析服务 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3846.2-2021 |
Specification of Information Exchange Interface for Internet Basic Resource Support System Part 2: Domain Name Management Service{译} 互联网基础资源支撑系统信息交换接口规范 第2部分：域名管理服务 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3846.1-2021 |
Internet Basic Resource Support System Information Exchange Interface Specification Part 1: Domain Name Registration Service{译} 互联网基础资源支撑系统信息交换接口规范 第1部分：域名注册服务 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3845.5-2021 |
Internet Basic Resource Support System Regulatory Information Exchange Interface Specification Part 5: Content Delivery Network (CDN){译} 互联网基础资源支撑系统监管信息交换接口规范 第5部分：内容分发网络（CDN） |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3845.4-2021 |
Interface Specification for Regulatory Information Exchange of Internet Basic Resource Support System Part 4: ICP Website{译} 互联网基础资源支撑系统监管信息交换接口规范 第4部分：ICP网站 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3845.3-2021 |
Interface Specification for Supervision Information Exchange of Internet Basic Resource Support System Part 3: Domain Name Recursive Resolution Service{译} 互联网基础资源支撑系统监管信息交换接口规范 第3部分：域名递归解析服务 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3845.2-2021 |
Interface Specification for Regulatory Information Exchange of Internet Basic Resource Support System Part 2: Domain Name Authority Resolution Service{译} 互联网基础资源支撑系统监管信息交换接口规范 第2部分：域名权威解析服务 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3845.1-2021 |
Internet Basic Resource Support System Regulatory Information Exchange Interface Specification Part 1: Domain Name Registration and Management Services{译} 互联网基础资源支撑系统监管信息交换接口规范 第1部分：域名注册与管理服务 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 3132.4-2021 |
Fiber optic home installation equipment - Part 4: Overhead and hanging fixtures{译} 光纤入户放装器材 第4部分：架空及吊挂固定件 |
China Telecommunication Industry Standards |
English PDF |
| YD/T 1181.2-2021 |
Characteristics of non-metallic strength members for optical cables - Part 2: Aramid yarns{译} 光缆用非金属加强件的特性 第2部分：芳纶纱 |
China Telecommunication Industry Standards |
English PDF |
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