| 发明名称 |
Coupling device to be connected to a DCE for the connection to a public switched telephone network having a local power supply circuit for allowing the use of the local |
| 摘要 |
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| 申请公布号 |
SG42315(A1) |
申请公布日期 |
1997.08.15 |
| 申请号 |
SG19960000243 |
申请日期 |
1990.12.05 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BRUNO ANDRE;FIESCHI JACQUES;MARTIN JEAN;VAUTIER REMI |
| 分类号 |
H04M1/00;H04M1/253;H04M11/00;H04M11/06;H04M19/08;(IPC1-7):H04M11/06 |
主分类号 |
H04M1/00 |
| 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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