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发明名称
air-tube megaphone united cheer horn
摘要
申请公布号
KR200435338(Y1)
申请公布日期
2007.01.17
申请号
KR20060021603U
申请日期
2006.08.11
申请人
发明人
分类号
G10K11/08;G10K11/18
主分类号
G10K11/08
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代理人
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