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发明名称
KEY TELEPHONE SET
摘要
申请公布号
JPH0715761(A)
申请公布日期
1995.01.17
申请号
JP19930149478
申请日期
1993.06.21
申请人
NEC CORP
发明人
AKATSU MASAFUKU
分类号
H04M1/27;H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04M1/27
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代理人
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