GD/J 090-2020.Technical requirements and measurement methods for optical node ofCATV system.本GD/J 090规定了有线电视系统光工作站技术要求和测量方法。本GD/J 0...
GA/T 980-2018.Technical requirements for equipment of police vehicles for road traffic safety publicity and education.1范围GA/T 980规定了警用宣传车(交通安全宣教)的术...
GA/T 980-2012.Equipment configuration of road traffic safety publicity vehicle.1范围GA/T 980规定了道路交通安全宜传车的术语和定义、功能、装备配置、技术要...
GD/J 092-2020.Technical requirements and measurement methods for digital cable television set top box of high definition.本GD/J 092规定了高清晰度有线数字电视机顶盒(...
GD/J 108-2020.Technical requirements and measurement methods for generic cabl ing cabinet.本GD/J 108规定了综合布线柜的技术要求和测量方法。本GD/J 108适用于有源...
GD/J 088-2018.Technical specification for emergency broadcasting system in county.本GD/J 088规定了县级应急广播系统的基本结构、主要组成部分、工作模式、系...
GD/J 101-2020.Technical requirements and measurement methods for optical coupler.本GD/J 101规定了全光纤型分支器件的“光纤宽带耦合器”、“光纤波分复用耦合...
GA/T 974.94-2015.Codes for the fire inforrantion-Part 94:Category codes for buildings' fire hazards.1范围GA/T 974.94规定了建筑物火灾危险性类别代码。GA/T 974.94适用...
GD/J 099-2020.Technical requirements and measurement methods for CATV systemRadio-frequency coaxial connector.b)1h内使水冷却至室温，并在此温度下保持1h。然后，在...
GD/J 086-2018.Technical specification for emergency broadcasting in digital cable TV.本GD/J 086规定了有线数字电视应急广播系统的应急广播消息传输和指令安全...
