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发明名称
SPEAKER
摘要
申请公布号
JPH04215398(A)
申请公布日期
1992.08.06
申请号
JP19900401900
申请日期
1990.12.13
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TANAKA SHOJI
分类号
H04R1/02
主分类号
H04R1/02
代理机构
代理人
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地址
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