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发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH09322210(A)
申请公布日期
1997.12.12
申请号
JP19960137908
申请日期
1996.05.31
申请人
NEC CORP
发明人
TOYOSHIMA FUMIYOSHI
分类号
H04M3/54;H04M3/42;H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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