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经营范围
发明名称
ACOUSTIC DEVICE
摘要
申请公布号
JPH04334295(A)
申请公布日期
1992.11.20
申请号
JP19910105592
申请日期
1991.05.10
申请人
SONY CORP
发明人
INANAGA KIYOFUMI;SAOYAMA HIROYUKI;YAMADA YUJI
分类号
H01R33/945;H04Q9/00;H04R1/02;H04R1/06
主分类号
H01R33/945
代理机构
代理人
主权项
地址
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