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发明名称
Drum-type reflective collarwheel and display apparatus using thereof
摘要
申请公布号
KR100826340(B1)
申请公布日期
2008.05.02
申请号
KR20040090502
申请日期
2004.11.08
申请人
发明人
分类号
H04N9/31
主分类号
H04N9/31
代理机构
代理人
主权项
地址
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