发明名称 BRANCHING SYSTEM OF BIDIRECTIONAL ONE LINE REPEATING AND DELIVERY LINE
摘要 PURPOSE:To increase the economy of lines, by branching the delivery line from an arbitrary portion of the main delivery line, and by connecting them respectively at the shortest distance from each terminal station.
申请公布号 JPS547814(A) 申请公布日期 1979.01.20
申请号 JP19770073428 申请日期 1977.06.20
申请人 NIPPON ELECTRIC CO 发明人 TAKAHASHI TSUTOMU
分类号 H04B3/00;H03H11/36;H04B3/38 主分类号 H04B3/00
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