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经营范围
发明名称
LOUDSPEAKER SYSTEM
摘要
申请公布号
US5073945(A)
申请公布日期
1991.12.17
申请号
US19900556073
申请日期
1990.07.23
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
KAGEYAMA, SATOSHI;FUKUHARA, SUEMEI
分类号
H04R1/22;H04R1/28;H04R5/02;H04S3/02
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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