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发明名称
TELEPHON NUMBER INDEX
摘要
申请公布号
KR780000810(Y1)
申请公布日期
1978.08.09
申请号
KR19770005437U
申请日期
1977.09.09
申请人
YOO B K
发明人
YOO B K
分类号
主分类号
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