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发明名称
SPEAKER
摘要
申请公布号
JPS6449399(A)
申请公布日期
1989.02.23
申请号
JP19870205656
申请日期
1987.08.19
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
OKUMA AKIHIRO;TOYODA AKINORI
分类号
H04R9/02
主分类号
H04R9/02
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