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发明名称
SPEAKER
摘要
申请公布号
JPH05284596(A)
申请公布日期
1993.10.29
申请号
JP19920079452
申请日期
1992.04.01
申请人
发明人
分类号
H04R1/06;H04R9/02;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R1/06
代理机构
代理人
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