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经营范围
发明名称
A DUAL PROJECTION SCREEN
摘要
申请公布号
KR20050098095(A)
申请公布日期
2005.10.11
申请号
KR20040023406
申请日期
2004.04.06
申请人
B. W. MEDIA CO., LTD.
发明人
HUR, JU WOOK;HEO, CHAN HOI;KANG, HAE CHUN
分类号
G03B21/62
主分类号
G03B21/62
代理机构
代理人
主权项
地址
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