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发明名称
KEY TELEPHONE SET
摘要
申请公布号
JPS625797(A)
申请公布日期
1987.01.12
申请号
JP19860063302
申请日期
1986.03.19
申请人
NEC CORP
发明人
INOUE MASAYOSHI;HIRANO KENICHIRO;YABATA RYOICHI
分类号
H04Q3/58;H04M9/00
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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