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发明名称
SPEAKER UNIT
摘要
申请公布号
JPH0352498(A)
申请公布日期
1991.03.06
申请号
JP19890187901
申请日期
1989.07.20
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
FURUTA MASAHITO
分类号
H04R9/04
主分类号
H04R9/04
代理机构
代理人
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