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经营范围
发明名称
DUCTING SOUND
摘要
申请公布号
EP2353301(A1)
申请公布日期
2011.08.10
申请号
EP20090792827
申请日期
2009.09.22
申请人
BOSE CORPORATION
发明人
ROSEN, MICHAEL, D.
分类号
H04R1/28;H04R1/34
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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