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发明名称
EXCHANGE INTERFACE CIRCUIT
摘要
申请公布号
KR890008388(Y1)
申请公布日期
1989.11.25
申请号
KR19860013019U
申请日期
1986.08.27
申请人
ORIENTAL PRECISION IND. CO.,LTD.
发明人
PARK, TAE-SOO
分类号
H04M3/00;(IPC1-7):H04M3/00
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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