| 发明名称 |
CONTROLLING SYSTEM OF COINNOPERATED TELEPHONE SET |
| 摘要 |
PURPOSE:To make it possible to change fee collecting system at once when the rate is revised, by changing simply only wirings of apparatus fitted at the exchange. |
| 申请公布号 |
JPS5295106(A) |
申请公布日期 |
1977.08.10 |
| 申请号 |
JP19760012466 |
申请日期 |
1976.02.06 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
OTOICHI YUKIO;FUJISHITA YOSHIO |
| 分类号 |
H04M17/00;(IPC1-7):04M17/00 |
主分类号 |
H04M17/00 |
| 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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