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发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH0750861(A)
申请公布日期
1995.02.21
申请号
JP19930213569
申请日期
1993.08.06
申请人
NEC CORP
发明人
KAMEZAWA HIROSHI
分类号
H04M3/42;H04M11/00;H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04M3/42
代理机构
代理人
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地址
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