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发明名称
OPTICAL APPARATUS FOR WIDE SCREEN
摘要
申请公布号
KR1019830000715(B1)
申请公布日期
1983.04.06
申请号
KR1019790001405
申请日期
1979.05.02
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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