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Bilateral telephone system for conducting telephone conversations between conversation partners
Bilateral telephone system for conducting telephone conversations between conversation partners
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机译:用于在对话伙伴之间进行电话对话的双边电话系统
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摘要
The telephone system includes one single line on whose two ends a telephone system with at least two telephone receivers is located. According to the number of telephone users several telephone conversations are possible, which are simultaneous and separate of each other, and do not interfere mutually.
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