TB/T 1567.1-2019.Railway block-Part 1 : Specification for railway automac block.1范围TB/T 1567.1规定了铁路自动闭塞基本要求、自动闭塞系统、自动闭塞系统与其...
TB/T 1558.5-2018.Non-destructive testing of welding for rolling stock-Part 5:Penetrant testing.1范围TB/T 1558.5规定了机车车辆焊縫渗透检测的安全警示、一般要求、...
TB/T 1558.4-2018.Non-destructive testing of welding for rolling stock-Part 4: Magnetic particle testing.1范围TB/T 1558.4规定了机车车辆焊缝磁粉检测的一般要求、 检...
TB/T 1558.2-2018.Non-destructive testing of welding for rolling stock-Part 2: Ultrasonic testing.1范围TB/T 1558.2规定了机车车辆焊缝超声检测的技术要求、检测方法...
YD/T 1997.3-2015.Drop optical fibre cables for telecommunication Part3:Pre-terminated optical cable assemblies.1范围YD/T 1997.3规定了单芯单模引入光缆预制成端组件(...
YD/T 2052-2015.Security protection requirements for the domain name system.1范围YD/T 2052规定了公众电信网和互联网相关域名系统分安全保护等级的安全防护要...
YD/T 2053-2016.Security protection testing requirements for the domain name system.1范围YD/T 2053规定了公众电信网和互联网相关域名系统分安全保护等级的安全...
YD/T 2191.10-2016.Installation and mitigation guidelines of electromagnetic compatibility for telecommunication equipments Part 10: Mitigation for HEMP and HPEM immunity.1范围YD/T...
YD/T 2248-2015.Interface requirements of information security management system for Internet data center/Internet service provider.1范围YD/T 2248规定了互联网数据中心和互...
TB/T 1528.2-2018.Railway signal power supply system equipments-Part 2: Test method of railway signal power supply panels.1范围TB/T 1528.2规定了铁路信号电源系统设备中铁...










