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发明名称
SPEAKER
摘要
申请公布号
JPH04296199(A)
申请公布日期
1992.10.20
申请号
JP19910061638
申请日期
1991.03.26
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
SATO HITOSHI
分类号
H04R9/02;H04R9/04
主分类号
H04R9/02
代理机构
代理人
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