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发明名称
INTERPHONE SYSTEM
摘要
申请公布号
KR900006415(Y1)
申请公布日期
1990.07.20
申请号
KR19870004280U
申请日期
1987.03.31
申请人
SAMSUNG ELECTRONICS CO.LTD.
发明人
LEE HWI-DONG
分类号
H04M1/70;H04M9/00;(IPC1-7):H04M9/00
主分类号
H04M1/70
代理机构
代理人
主权项
地址
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