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经营范围
发明名称
SPEAKER UNIT
摘要
申请公布号
JPH04299698(A)
申请公布日期
1992.10.22
申请号
JP19910064479
申请日期
1991.03.28
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TANAKA SHOJI
分类号
H04R1/02;H04R9/02
主分类号
H04R1/02
代理机构
代理人
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