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发明名称
SPEAKER
摘要
申请公布号
JPS6412796(A)
申请公布日期
1989.01.17
申请号
JP19870168981
申请日期
1987.07.07
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TAKAHASHI TOSHIJI
分类号
H04R9/04
主分类号
H04R9/04
代理机构
代理人
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地址
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