GB/T 21645.1-2008
Technical requirements for Automatically Switched Optical Network - Part 1: Architecture and general requirements 自动交换光网络(ASON)技术要求 第1部分: 体系结构与总体要求 |
GB/T 21642.2-2008
The technical requirements for video conference system devices based on IP-based network - Part 2: Multipoint Processor 基于IP网络的视讯会议系统设备技术要求 第2部分: 多点处理器(MP) |
GB/T 21642.1-2008
The technical requirements for video conference system devices based on IP-based network - Part 1: Multipoint Controller 基于IP网络的视讯会议系统设备技术要求 第1部分:多点控制器(MC) |
GB/T 15972.20-2008
Specifications for optical fibre test methods - Part 20: Measurement methods and test procedures for dimensions - Fiber geometry 光纤试验方法规范 第20部分:尺寸参数的测量方法和试验程序 光纤几何参数 |
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