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经营范围
发明名称
Surround audio apparatus
摘要
申请公布号
US5257313(A)
申请公布日期
1993.10.26
申请号
US19910725454
申请日期
1991.07.03
申请人
SONY CORPORATION
发明人
FUJISHITA, KANEAKI;SATO, KAZUHIRO
分类号
H03G5/00;H04S3/02;H04S7/00;(IPC1-7):H04S5/02
主分类号
H03G5/00
代理机构
代理人
主权项
地址
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