| 发明名称 |
ATTENDANT BOARD DIAGNOSTIC SYSTEM |
| 摘要 |
PURPOSE:To prevent the latency of trouble without deteriorating service by executing surely automatic diagnostic by a central control unit in PBX. |
| 申请公布号 |
JPS53116714(A) |
申请公布日期 |
1978.10.12 |
| 申请号 |
JP19770031788 |
申请日期 |
1977.03.22 |
| 申请人 |
FUJITSU LTD |
发明人 |
TSUCHIYA KOUJI;SAKAMOTO SEIETSU;KUBO YOSHIFUMI;UMEMIYA TSUGIO |
| 分类号 |
H04M3/26;H04M3/22;H04M3/60 |
主分类号 |
H04M3/26 |
| 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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