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发明名称
TWO-WIRE BILATERAL DATA COMMUNCATION CIRCUITCAPABLE OF CHECKING LINE
摘要
申请公布号
KR1019940004962(B1)
申请公布日期
1994.06.07
申请号
KR1019910000063
申请日期
1991.01.05
申请人
发明人
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主分类号
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