YD/T 2950-2015.Technical requirements and testing method for WAS dynamic frequency selection in 5GHz band.1范围YD/T 2950规定了工作在5GHz频段的无线接入系统设备的动...
YD/T 3006-2016.Technical Requirements for protection of neighborhood of telecommunication towers against lightning.1范围YD/T 3006主要规定了基站遭受雷击时附近居民建筑...
YD/T 3008-2016.Security status testing requirements of DNS service.1范围YD/T 3008规定了公众电信网和互联网相关域名服务的安全状态检测要求。YD/T 3008适用于...
TB/T 3327-2015.Phase interruption protector for railway signal.1范围TB/T 3327规定了三相交流道岔控制电路用断相保护器的技术要求、检验方法、检验规则和...
TB/T 3326-2015.Test methods of emergency communication system for railway.1范围TB/T 3326规定了铁路应急通信系统的试验方法，系统设备包括应急现场通信设备...
YY/T 0681.9-2011.Test methods for sterile medical device package-Part 9: Burst testing of flexible package seals using internal air pressurization weight restraining plates.YY-T 068...
TB/T 3283-2015.Technical conditions for railway time synchronization network.1范围TB/T 3283规定了铁路时间同步网的网络结构和组成、网络功能及性能、设备功...
TB/T 3246.5-2010.Design guide for railway vehicles and their components Bolted joints Part 5 : Protection against corrosion.1范围TB/T 3246.5规定了铁道机车车辆螺栓连接的...
TB/T 3246.4-2010.Design guide for railway vehicles and their components Bolted joints Part 4:Securing of bolted joints.1范围TB/T 3246.4规定了铁道机车车辆机械制造应用螺...
YY 0672.2-2011.Endoscopy instruments-Part 2 : Laparoscopy scissors.4.1尺寸剪刀的基本尺寸应符合表1的规定。4.2硬度刀头应经热处理,非绝缘剪硬度为478 HVo...
