| 发明名称 |
RELAY TRANSMISSION SYSTEM |
| 摘要 |
PURPOSE:To prepare sufficient spare transmission line and make it possible to repair the transmission line with enough long time when repairing the line although it is unnecessary to repair the faulty line. |
| 申请公布号 |
JPS5230105(A) |
申请公布日期 |
1977.03.07 |
| 申请号 |
JP19750106345 |
申请日期 |
1975.09.01 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
MIKI TETSUYA;KOYAMA MASAKI;NAKAGAWA SEIJI |
| 分类号 |
H04B10/29;H04B1/74;H04B10/00;H04B10/032;H04B10/07;H04B10/524 |
主分类号 |
H04B10/29 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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