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摘要
申请公布号
KR920001739(Y1)
申请公布日期
1992.03.13
申请号
KR19890003884U
申请日期
1989.03.31
申请人
CHUNG, SUNG - CHUL
发明人
CHUNG, SUNG - CHUL
分类号
G09F7/00;(IPC1-7):G09F7/00
主分类号
G09F7/00
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