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Number of entries (Data is updated on a monthly basis): 47646
GB/T 14617.2-2012
陆地移动业务和固定业务传播特性 第2部分:100 MHz～1 000 MHz固定业务传播特性
Propagation characteristics in land mobile service and fixed service - Part 2: Propagation characteristics for the terrestrial fixed service in 100 MHz～1 000 MHz
GB/T 21642.3-2012
基于IP网络的视讯会议系统设备技术要求 第3部分:多点控制单元（MCU）
Technical requirements for IP video conference system devices - Part 3: multipoint control unit
GB/T 11591-2011
Packet assembly／disassembly facility(PAD) in a public data network
GB 25286.2-2010
Non-electrical equipment for potentially explosive atmospheres - Part 2: Protection by flow restricting enclosure“fr”
Number of entries (Data is updated on a monthly basis): 47646