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Terms for subject Communications containing selective | all forms | exact matches only
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bridging filter for dispatching telephone with AF selective calling音频选叫调度电话滤波器
digital selective call system数字选呼系统
dispatching telephone control board with Voice Frequency VF selective calling音选调度电话总机
dispatching telephone extension with Voice Frequency VF selective calling音选调度电话分机
party-line telephone control board with Voice Frequency VF selective calling音选同线电话总机
party-line telephone distributor for Voice Frequency VF selective calling音选同线电话分配器
party-line telephone subset with Voice Frequency VF selective calling音选同线电话分机
selective call选呼
selective call with audio frequency coding音频组合选呼
selective call with digital pulse coding数字编码选呼
selective calling and talking box for dispatching office调度所选叫通话箱