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发明名称
LENS SYSTEM FOR PROJECTION TELEVISION
摘要
申请公布号
KR1019900002622(B1)
申请公布日期
1990.04.20
申请号
KR1019860007972
申请日期
1986.09.24
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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