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Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 51125-2015 |
Code for joint construction and sharing of Telecommunications stations 通信局站共建共享技术规范 |
China National Standards Telecommunication |
English PDF |
GB 51120-2015 |
Acceptance code for lightning protection and earthing engineering of Telecommunication bureaus(stations) 通信局(站)防雷与接地工程验收规范 |
China National Standards Telecommunication |
English PDF |
GB/T 15629.3-2014 |
Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Part 3:Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第3部分:带碰撞检测的载波侦听多址访问(CSMA/CD)的访问方法和物理层规范 |
China National Standards Telecommunication |
English PDF |
GB/T 31244-2014 |
Specification for design for disassembly of Telecommunication terminal equipment 通信终端产品可拆卸设计规范 |
China National Standards Telecommunication |
English PDF |
GB/T 31243-2014 |
Specification of design for disassembly of Telecommunication infrastructure equipment 通信网络产品可拆卸设计规范 |
China National Standards Telecommunication |
English PDF |
GB/T 13993.4-2014 |
Optical fibre cables for Telecommunication―Part 4: Outdoor optical fibre cables for access networks 通信光缆 第4部分:接入网用室外光缆 |
China National Standards Telecommunication |
English PDF |
GB/T 13993.3-2014 |
Optical fiber cables for Telecommunication―Part 3: Indoor optical fibre cables for generic cabling 通信光缆 第3部分:综合布线用室内光缆 |
China National Standards Telecommunication |
English PDF |
GB/T 13993.2-2014 |
Optical fibre cables for Telecommunication—Part 2: Outdoor optical fibre cables for core networks 通信光缆 第2部分:核心网用室外光缆 |
China National Standards Telecommunication |
English PDF |
GB/T 30963-2014 |
Specification for green package of Telecommunication terminal equipment 通信终端产品绿色包装规范 |
China National Standards Telecommunication |
English PDF |
GB/T 19484.1-2013 |
Requirements and measurement methods of electromagnetic compatibility for 800MHz/2GHz cdma2000 digital cellular mobile Telecommunications system - Part 1: User equipment and ancillary equipment 800MHz/2GHz cdma2000数字蜂窝移动通信系统的电磁兼容性要求和测量方法 第1部分:用户设备及其辅助设备 |
China National Standards Telecommunication |
English PDF |
GB/T 4012-2013 |
2.6/9.5mm composite coaxial cable for Telecommunication use 2.6/9.5mm 同轴综合通信电缆 |
China National Standards Telecommunication |
English PDF |
GB/T 4011-2013 |
1.2/4.4mm composite coaxial cable for Telecommunication use 1.2/4.4mm 同轴综合通信电缆 |
China National Standards Telecommunication |
English PDF |
GB/T 13849.1-2013 |
Local Telecommunication cables with polyolefin insulation and polyolefin sheath - Part 1:General 聚烯烃绝缘聚烯烃护套市内通信电缆 第1部分:总则 |
China National Standards Telecommunication |
English PDF |
GB/T 29237-2012 |
Criteria for evaluating recoverability of Telecommunication terminal equipment 通信终端产品可回收性能评价准则 |
China National Standards Telecommunication |
English PDF |
GB/T 29236-2012 |
Criteria for evaluating recoverability of Telecommunication infrastructure equipment 通信网络设备可回收性能评价准则 |
China National Standards Telecommunication |
English PDF |
GB/T 29234-2012 |
Security technical requirements for broadband customer network based on Telecommunication network 基于公用电信网的宽带客户网络安全技术要求 |
China National Standards Telecommunication |
English PDF |
GB/T 29233-2012 |
Singlemode optical fibre Telecommunication cables for outdoor duct, directly buried, and lashed aerial application 管道、直埋和非自承式架空敷设用单模通信室外光缆 |
China National Standards Telecommunication |
English PDF |
GB/T 29228-2012 |
Technical requirements for public Telecommunication network equipments security - Calling party number information 公用电信网设备安全技术要求 主叫用户号码信息 |
China National Standards Telecommunication |
English PDF |
GB/T 29200-2012 |
Test method for public Telecommunication network equipments security - Calling party number information 公用电信网设备安全测试方法 主叫用户号码信息 |
China National Standards Telecommunication |
English PDF |
GB/T 14860.4-2012 |
Transformers and inductors for use in electronic and Telecommunication equipment - Part 4: Sectional specification for power transformers for switched mode power supplies (SMPS) on the basis of the capability approval procedure 电子和通信设备用变压器和电感器 第4部分:按能力批准程序评定质量的开关电源变压器分规范 |
China National Standards Telecommunication |
English PDF |
GB/T 14860.3-2012 |
Transformers and inductors for use in electronic and Telecommunication equipment - Part 3:Sectional specification for power transformers on the basis of the capability approval procedure 电子和通信设备用变压器和电感器 第3部分:按能力批准程序评定质量的电源变压器分规范 |
China National Standards Telecommunication |
English PDF |
GB/T 14860.1-2012 |
Transformers and inductors for use in electronic and Telecommunication equipment - Part 1:Generic specification 电子和通信设备用变压器和电感器 第1部分:通用规范 |
China National Standards Telecommunication |
English PDF |
GB/T 11441.1-2012 |
Laminations for transformers and inductors for use in Telecommunication and electronic equipment - Part 1:Mechanical and electrical characteristics 通信和电子设备用变压器和电感器铁心片 第1部分:机械和电性能 |
China National Standards Telecommunication |
English PDF |
GB/T 14733.4-2012 |
Terminology for Telecommunication switching and signalling in telecommunication 电信术语 电信中的交换和信令 |
China National Standards Telecommunication |
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 Telecommunication |
English PDF |
GB/T 28523-2012 |
Method of calculating recoverability rate of Telecommunication infrastructure equipment 通信网络设备可回收利用率计算方法 |
China National Standards Telecommunication |
English PDF |
GB/T 28522-2012 |
Method of calculating recoverability rate of Telecommunication terminal equipment 通信终端产品可回收利用率计算方法 |
China National Standards Telecommunication |
English PDF |
GB/T 28521-2012 |
Intelligent energy saving system by fresh air for Telecommunication stations/sites 通信局站用智能新风节能系统 |
China National Standards Telecommunication |
English PDF |
GB/T 28520-2012 |
Intelligent heat exchanger for Telecommunication stations/sites 通信局站用智能热交换系统 |
China National Standards Telecommunication |
English PDF |
GB/T 28519-2012 |
General principles of energy consumption test methods for Telecommunication equipment 通信产品能耗测试方法通则 |
China National Standards Telecommunication |
English PDF |
GB/T 28508-2012 |
General technical requirements for broadband customer network based on Telecommunication network 基于公用电信网的宽带客户网络总体技术要求 |
China National Standards Telecommunication |
English PDF |
GB/T 11441.2-2011 |
Laminations for transformers and inductors for use in Telecommunication and electronic equipment - Part 2: Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials 通信和电子设备用变压器和电感器铁心片 第2部分:软磁金属叠片最低磁导率规范 |
China National Standards Telecommunication |
English PDF |
GB 50689-2011 |
Code for design of lightning protection and earthing engineering for Telecommunication bureaus(staions) 通信局(站)防雷与接地工程设计规范 |
China National Standards Telecommunication |
English PDF |
GB/T 26264-2010 |
The photovoltaic power system for Telecommunication 通信用太阳能电源系统 |
China National Standards Telecommunication |
English PDF |
GB/T 26263-2010 |
The power system of wind energy for Telecommunication 通信用风能电源系统 |
China National Standards Telecommunication |
English PDF |
GB/T 26262-2010 |
Guide for classification of Telecommunication equipment energy efficiency 通信产品节能分级导则 |
China National Standards Telecommunication |
English PDF |
GB/T 26261-2010 |
General technical requirements of used Telecommunication equipment appraisal 旧通信设备鉴定通用技术要求 |
China National Standards Telecommunication |
English PDF |
GB/T 26259-2010 |
Technical requirements of reuse for the waste Telecommunication equipment 废弃通信产品再使用技术要求 |
China National Standards Telecommunication |
English PDF |
GB/T 26258-2010 |
Technical requirements of environmentally innocuous disposal for hazardous substances in disused Telecommunication equipment 废弃通信产品有毒有害物质环境无害化处理技术要求 |
China National Standards Telecommunication |
English PDF |
GB/T 26256-2010 |
Interference, coexistence and corresponding measurement methods of 2.4GHz wireless Telecommunications equipment 2.4GHz频段无线电通信设备的相互干扰限制与共存要求及测试方法 |
China National Standards Telecommunication |
English PDF |
GB/T 26230-2010 |
Information Technology - Telecommunications and information exchange between systems - MAC-PHY Interface for Wireless high rate ultra wideband 信息技术 系统间远程通信和信息交换 无线高速率超宽带媒体访问控制和物理层接口规范 |
China National Standards Telecommunication |
English PDF |
GB/T 26229-2010 |
Information technology - Telecommunications and information exchange between systems - Wireless high rate ultra wideband MAC and PHY specification 信息技术 系统间远程通信和信息交换 无线高速率超宽带媒体访问控制和物理层规范 |
China National Standards Telecommunication |
English PDF |
GB/T 17557-2010 |
Insulating materials for shipboard and offshore units, power, control, instrumentation, Telecommunication and data cables 船舶、近海装置用电力、控制、仪表、通信及数据电缆的绝缘材料 |
China National Standards Telecommunication |
English PDF |
GB/T 17556-2010 |
Sheathing materials for shipboard power and Telecommunication cables 船用电力和通信电缆护套材料 |
China National Standards Telecommunication |
English PDF |
GB/T 15629.15-2010 |
Information technology - Telecommunications and information exchange between systems local and metropolitan area networks - Specific requirements - Part 15.4: Wireless medium access control and physical layer(PHY))specification for low rate wireless p 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第15部分:低速无线个域网(WPAN)媒体访问控制和物理层规范 |
China National Standards Telecommunication |
English PDF |
GB/T 13029.3-2010 |
Marine cable - Choice and installation of Telecommunication cables and radio-frequency cables 船用电缆 通信电缆和射频电缆的选择和敷设 |
China National Standards Telecommunication |
English PDF |
GB/T 24338.5-2009 |
Railway applications - Electromagnetic compatibility - Part 4: Emission and immunity of the signalling and Telecommunications apparatus 轨道交通 电磁兼容 第4部分:信号和通信设备的发射与抗扰度 |
China National Standards Telecommunication |
English PDF |
GB/T 9334-2009 |
Electrical installation in ships - Shipboard Telecommunication cables and radio-frequency cables - Shipboard flexible coaxial cables 船舶电气设备 船用通信电缆和射频电缆 船用同轴软电缆 |
China National Standards Telecommunication |
English PDF |
GB/T 9333-2009 |
Electrical installation in ships - Shipboard Telecommunication cables and radio-frequency cables - General instrumentation, control and communication cables 船舶电气设备 船用通信电缆和射频电缆 一般仪表、控制和通信电缆 |
China National Standards Telecommunication |
English PDF |
GB/T 18802.22-2008 |
Low-voltage surge protective devices - Part 22: Surge protective devices connected to Telecommunications and signalling networks - Selection and application principles 低压电涌保护器 第22部分:电信和信号网络的电涌保护器(SPD) 选择和使用导则 |
China National Standards Telecommunication |
English PDF |
GB/T 22727.1-2008 |
Limits and methods of measurement of certain hazardous substances in Telecommunication product Part 1: Telecommunication terminal 通信产品有害物质安全限值及测试方法 第1部分:电信终端产品 |
China National Standards Telecommunication |
English PDF |
GB/T 9771.2-2008 |
Single-mode optical fibres for Telecommunication - Part 2: Characteristics of a cut-off wavelength shifted single-mode optical fibre 通信用单模光纤 第2部分:截止波长位移单模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 9771.1-2008 |
Single-mode optical fibres for Telecommunication - Part 1: Characteristics of a dispersion unshifted single-mode optical fibre 通信用单模光纤 第1部分:非色散位移单模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 9771.6-2008 |
Single-mode optical fibres for Telecommunication - Part 6: Characteristics of a fibre with non-zero dispersion for wideband optical transport 通信用单模光纤 第6部分:宽波长段光传输用非零色散单模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 9771.5-2008 |
Single-mode optical fibres for Telecommunication - Part 5: Characteristics of a non-zero dispersion shifted single-mode optical fibre 通信用单模光纤 第5部分:非零色散位移单模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 9771.4-2008 |
Single-mode optical fibres for Telecommunication - Part 4: Characteristics of a dispersion-shifted single-mode optical fibre 通信用单模光纤 第4部分:色散位移单模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 9771.3-2008 |
Single-mode optical fibres for Telecommunication - Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre 通信用单模光纤 第3部分:波长段扩展的非色散位移单模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 22450.1-2008 |
Limits and measurement methods of electromagnetic compatibility for 900/1800MHz TDMA digital cellular Telecommunications system - Part 1: Mobile station and ancillary equipment 900/1800MHz TDMA 数字蜂窝移动通信系统电磁兼容性限值和测量方法 第1部分:移动台及其辅助设备 |
China National Standards Telecommunication |
English PDF |
GB/T 22426-2008 |
The requirements for recycle and treatment installation of disused Telecommunication equipment 废弃通信产品回收处理设备要求 |
China National Standards Telecommunication |
English PDF |
GB/T 22423-2008 |
The recycling and treatment requirements for Telecommunication terminal equipment 通信终端设备的回收处理要求 |
China National Standards Telecommunication |
English PDF |
GB/T 22421-2008 |
The recycling and treatment requirements for Telecommunication infrastructure equipment 通信网络设备的回收处理要求 |
China National Standards Telecommunication |
English PDF |
GB/T 15127-2008 |
Information technology - Telecommunications and information exchange between systems - Twisted pair multipoint interconnections 信息技术 系统间远程通信和信息交换 双扭线多点互连 |
China National Standards Telecommunication |
English PDF |
GB/T 14399-2008 |
Information technology - Telecommunications and information exchange between systems - High-level data link control procedures - Description of the X.25 LAPB-compatible DTE data link procedures 信息技术 系统间远程通信和信息交换 高级数据链路控制规程 与X.25 LAPB兼容的DTE数据链路规程的描述 |
China National Standards Telecommunication |
English PDF |
GB/Z 16506-2008 |
Information technology - Telecommunications and information exchange between systems - Protocol combinations to provide and support the OSI network service 信息技术 系统间远程通信和信息交换 提供和支持OSI网络服务的协议组合 |
China National Standards Telecommunication |
English PDF |
GB/T 7421-2008 |
Information technology - Telecommunications and information exchange between systems - High-level data link control (HDLC) procedures 信息技术 系统间远程通信和信息交换 高级数据链路控制(HDLC)规程 |
China National Standards Telecommunication |
English PDF |
GB/T 14733.9-2008 |
Terminology for Telecommunication - Radio wave propagation 电信术语 无线电波传播 |
China National Standards Telecommunication |
English PDF |
GB/T 14733.7-2008 |
Terminology for Telecommunication - Oscillations,signals and related devices 电信术语 振荡、信号和相关器件 |
China National Standards Telecommunication |
English PDF |
GB/T 14733.2-2008 |
Terminology for Telecommunication - Transmission lines and waveguides 电信术语 传输线和波导 |
China National Standards Telecommunication |
English PDF |
GB/T 14733.12-2008 |
Terminology for Telecommunication - Optical communication 电信术语 光纤通信 |
China National Standards Telecommunication |
English PDF |
GB/T 14733.11-2008 |
Terminology for Telecommunication - Transmission 电信术语 传输 |
China National Standards Telecommunication |
English PDF |
GB/T 14733.10-2008 |
Terminology for Telecommunication - Antenna 电信术语 天线 |
China National Standards Telecommunication |
English PDF |
GB/T 9951-2008 |
Information technology - Telecommunication and information exchange between systems - 34 pin DTE/DCE interface connector mateability dimensions and contact number assignments 信息技术 系统间远程通信和信息交换 34插针DTE/DCE接口连接器的配合性尺寸和接触件编号分配 |
China National Standards Telecommunication |
English PDF |
GB/T 15629.2-2008 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 2: Logical link control 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第2部分:逻辑链路控制 |
China National Standards Telecommunication |
English PDF |
GB/T 15123-2008 |
Information technology - Telecommunication and information exchange between systems - DTE/DCE interface back-up control operation using GB/T 3454 interchange circuits 信息技术 系统间远程通信和信息交换 使用GB/T 3454的DTE/DCE接口备用控制操作 |
China National Standards Telecommunication |
English PDF |
GB/T 14397-2008 |
Information technology - Telecommunication and information exchange between systems - Start-stop transmission signal quality at DTE/DCE interfaces 信息技术 系统间远程通信和信息交换 DTE/DCE接口处起止式传输的信号质量 |
China National Standards Telecommunication |
English PDF |
GB/T 13133-2008 |
Information technology - Telecommunication and information exchange between systems - DTE to DTE direct connections 信息技术 系统间远程通信和信息交换 DTE到DTE直接连接 |
China National Standards Telecommunication |
English PDF |
GB/T 4728.9-2008 |
Graphical symbols for diagrams - Part 9:Telecommunications - Switching and peripheral equipment 电气简图用图形符号 第9部分:电信 交换和外围设备 |
China National Standards Telecommunication |
English PDF |
GB/T 4728.10-2008 |
Graphical symbols for diagrams - Part 10:Telecommunications:Transmission 电气简图用图形符号 第10部分:电信 传输 |
China National Standards Telecommunication |
English PDF |
GB/T 9043-2008 |
General technical requirements of gas discharge tubes for the over-voltage protection of Telecommunications installations 通信设备过电压保护用气体放电管通用技术条件 |
China National Standards Telecommunication |
English PDF |
GB/T 21430.1-2008 |
Multicore and symmetrical pair/quad cables for broadband digital communications(high bit rate digital access Telecommunication networks) Outside plant cables - Part 1: Generic specification 宽带数字通信(高速率数字接入通信网络)用对绞或星绞多芯对称电缆-户外电缆 第1部分:总规范 |
China National Standards Telecommunication |
English PDF |
GB/T 21194-2007 |
Generic reliability assurance requirements for optoelectronic devices used in Telecommunications equipment 通信设备用的光电子器件的可靠性通用要求 |
China National Standards Telecommunication |
English PDF |
GB/T 15948.1-2007 |
Bank Telecommunication - Funds transfer messages -- Part 1: Vocabulary and universal set of data segments and data elements for electronic funds transfer messages 银行电讯 资金转账报文 第1部分:电子资金转账报文数据段和数据元术语及通用集 |
China National Standards Telecommunication |
English PDF |
GB/T 16821-2007 |
General test methods of power supply equipments for Telecommunications 通信用电源设备通用试验方法 |
China National Standards Telecommunication |
English PDF |
GB/T 15629.1103-2006 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Specification 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第11部分:无线局域网媒体访问控制和物理层规范:附加管理域操作规范 |
China National Standards Telecommunication |
English PDF |
GB 15629.1104-2006 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: Further Higher 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第11部分:无线局域网媒体访问控制和物理层规范:2.4GHz频段更高数据速率扩展规范 |
China National Standards Telecommunication |
English PDF |
GB 15629.1101-2006 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: High-Speed Phy 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第11部分:无线局域网媒体访问控制和物理层规范:5.8GHz频段高速物理层扩展规范 |
China National Standards Telecommunication |
English PDF |
GB/T 2900.68-2005 |
Electrotechnical Terminology Telecommunication Networks,Teletraffic and Operation 电工术语 电信网、电信业务和运行 |
China National Standards Telecommunication |
English PDF |
GB/T 19856.2-2005 |
Lightning protection-Telecommunication lines-Part 2:Lines using metallic conductors 雷电防护 通信线路 第2部分:金属导线 |
China National Standards Telecommunication |
English PDF |
GB/T 19856.1-2005 |
Lightning protection-Telecommunication lines-Part 1:Fibre optic Installation 雷电防护 通信线路 第1部分:光缆 |
China National Standards Telecommunication |
English PDF |
GB/T 12357.4-2004 |
Multimode optical fibres forTelecommunication--Part 4:Sectional specification for category A4 multimode fibres 通信用多模光纤 第4部分:A4类多模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 12357.3-2004 |
Multimode optical fibres forTelecommunication--Part 3:Sectional specification for category A3 multimode fibres 通信用多模光纤 第3部分:A3类多模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 12357.2-2004 |
Multimode optical fibres forTelecommunication--Part 2:Sectional specification for category A2 multimode fibres 通信用多模光纤 第2部分:A2类多模光纤特性 |
China National Standards Telecommunication |
English PDF |
GB/T 19490-2004 |
Telecommunication regulation for maritime mobile services--General 水上移动业务通信规则 总则 |
China National Standards Telecommunication |
English PDF |
GB/T 13993.1-2004 |
The series of optical fibre cables for Telecommunication--Part 1:General 通信光缆系列 第1部分:总则 |
China National Standards Telecommunication |
English PDF |
GB/T 18802.21-2004 |
Low-voltage surge protective devices--Part 21:Surge protective devices connected to Telecommunications and signalling networks--Performance requirements and testing methods 低压电涌保护器 第21部分:电信和信号网络的电涌保护器(SPD)----性能要求和试验方法 |
China National Standards Telecommunication |
English PDF |
GB/T 19287-2003 |
The general immunity requirements for Telecommunication equipment 电信设备的抗扰度通用要求 |
China National Standards Telecommunication |
English PDF |
GB 15629.11-2003 |
Information technology--Telecommunications and information exchange between systems--Local and metropolitan area networks--Specific requirements--Part 11: Wireless LAN Medium Access Control (MAC) andPhysical Layer(PHY) Specifications 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第11部分:无线局域网媒体访问控制和物理层规范 |
China National Standards Telecommunication |
English PDF |
GB 15629.1102-2003 |
Information technology--Telecommunications and information exchange between systems--Local and metropolitan area networks--Specific requirements--Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer(PHY) Specifications: Higher-Speed Physi 信息技术 系统间远程通信和信息交换局域网和城域网 特定要求 第11部分:无线局域网媒体访问控制和物理层规范:2.4 GHz频段较高速物理层扩展规范 |
China National Standards Telecommunication |
English PDF |
GB/T 9632.1-2002 |
Measuring methods of cores for inductors and transformers for Telecommunications 通信用电感器和变压器磁心测量方法 |
China National Standards Telecommunication |
English PDF |
GB/T 18698-2002 |
Acoustics--Declared noiseemission values of information technology and Telecommunications equipment 声学 信息技术设备和通信设备噪声发射值的标示 |
China National Standards Telecommunication |
English PDF |
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