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GB/T 17737.108-2018 Coaxial communication cables—Part 1-108: Electrical test methods—Test for characteristic impedance, phase and group delay, electrical length and propagation velocity 同轴通信电缆 第1-108部分：电气试验方法 特性阻抗、相位延迟、群延迟、电长度和传播速度试验 - 中英文版 |
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GB/T 14617.3-2012 Propagation characteristics in land mobile service and fixed service - Part 3: Propagation characteristics of line-of-sight radio-relay communications systems 陆地移动业务和固定业务传播特性 第3部分：视距微波接力通信系统传播特性 - 中英文版 |
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GB/T 14617.2-2012 Propagation characteristics in land mobile service and fixed service - Part 2: Propagation characteristics for the terrestrial fixed service in 100 MHz～1 000 MHz 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 - 中英文版 |
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GB/T 14617.1-2012 Propagation characteristics in land mobile service and fixed service - Part 1: Propagation characteristics in land mobile service 陆地移动业务和固定业务传播特性 第1部分：陆地移动业务传播特性 - 中英文版 |
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GB/T 25353-2010 Test method to determine the flammability and flame Propagation characteristics of thermal/acoustic insulation materials 隔热隔音材料燃烧及火焰蔓延特性试验方法 - 中英文版 |
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