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经营范围
发明名称
LOUDSPEAKER SYSTEM
摘要
申请公布号
JPH11205881(A)
申请公布日期
1999.07.30
申请号
JP19980017745
申请日期
1998.01.14
申请人
NEC HOME ELECTRON LTD
发明人
IWANAGA HIROSHI
分类号
H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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