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发明名称
EXACT CALCULATION METHOD OF ELECTRONIC CASH REGISTER IN-LINE SYSTEM
摘要
申请公布号
KR1019920005343(B1)
申请公布日期
1992.07.02
申请号
KR1019900000228
申请日期
1990.01.10
申请人
发明人
分类号
主分类号
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