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经营范围
发明名称
LOUD SPEAKER SYSTEM
摘要
申请公布号
JPH11243592(A)
申请公布日期
1999.09.07
申请号
JP19980043583
申请日期
1998.02.25
申请人
SONY CORP
发明人
FUJIHIRA MASAO;YAMAGISHI AKIRA;SHINOHARA IKUO;AKIYAMA AKIHIRO
分类号
H04R1/00;H04R1/02;H04R1/32;(IPC1-7):H04R1/00
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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