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经营范围
发明名称
Speaker device
摘要
申请公布号
EP1427248(B1)
申请公布日期
2009.12.23
申请号
EP20030257238
申请日期
2003.11.17
申请人
PIONEER CORPORATION;TOHOKU PIONEER CORPORATION
发明人
SUGIURA, HIDEAKI;NAKATA, TAIZO;NISHIKAWA, TETSUO
分类号
H04R1/28;H04R9/02;H04R7/12;H04R9/04;H04R31/00
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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