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发明名称
Projection screen
摘要
申请公布号
KR100612220(B1)
申请公布日期
2006.08.16
申请号
KR20040059060
申请日期
2004.07.28
申请人
发明人
分类号
G03B21/602
主分类号
G03B21/602
代理机构
代理人
主权项
地址
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