发明名称 |
KEY TELEPHONE SYSTEM |
摘要 |
|
申请公布号 |
JPH0270191(A) |
申请公布日期 |
1990.03.09 |
申请号 |
JP19880221326 |
申请日期 |
1988.09.06 |
申请人 |
NEC CORP |
发明人 |
TOMITA HIROKO |
分类号 |
H04Q3/58 |
主分类号 |
H04Q3/58 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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