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发明名称
AUTOMATIC EXPOSURE SYSTEM FOR PHOTOCOPIER
摘要
申请公布号
KR1019920000550(B1)
申请公布日期
1992.01.16
申请号
KR1019890009186
申请日期
1989.06.30
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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