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发明名称
ELECTRONIC KEY TELEPHONE SET
摘要
申请公布号
JPH03158053(A)
申请公布日期
1991.07.08
申请号
JP19890296089
申请日期
1989.11.16
申请人
NEC CORP
发明人
TAJIMA MASAKO
分类号
H04M3/42;H04M3/533
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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