| 发明名称 |
SELAYED CALL TRANSFER SYSTEM FOR AUTOMATIC SWITCHBOARD |
| 摘要 |
PURPOSE:To realize a delayed call transfer system for an automatic switchboard in order to turn the delayed call transfer service function to more effective service function. |
| 申请公布号 |
JPS53108306(A) |
申请公布日期 |
1978.09.21 |
| 申请号 |
JP19770022748 |
申请日期 |
1977.03.04 |
| 申请人 |
NIPPON ELECTRIC CO |
发明人 |
NOJIRI KENJI;MITSUNAGA KAZUHIKO |
| 分类号 |
H04M3/46;H04M3/42;H04M3/60 |
主分类号 |
H04M3/46 |
| 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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