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发明名称
LOUDSPEAKER DEVICE
摘要
申请公布号
JPH11168798(A)
申请公布日期
1999.06.22
申请号
JP19970347154
申请日期
1997.12.02
申请人
PIONEER ELECTRON CORP;TOHOKU PIONEER CORP
发明人
NAKAZONO JIRO;WATANABE SHIGERU
分类号
H04R9/02;H04R1/06;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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