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发明名称
SPEAKER DEVICE
摘要
申请公布号
JPH118898(A)
申请公布日期
1999.01.12
申请号
JP19970158866
申请日期
1997.06.16
申请人
SONY CORP
发明人
FUJIHIRA MASAO;YAMAGISHI AKIRA;SHINOHARA IKUO;AKIYAMA AKIHIRO;WATANABE NAOKI
分类号
H04R9/02;H04R1/22;(IPC1-7):H04R9/02
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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