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发明名称
A method to make the speaker of flat type
摘要
申请公布号
KR100759220(B1)
申请公布日期
2007.09.17
申请号
KR20050067560
申请日期
2005.07.25
申请人
发明人
分类号
H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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Semitrailer for a road tractor
