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发明名称
SWITCHING DEVICE
摘要
申请公布号
JPH04341991(A)
申请公布日期
1992.11.27
申请号
JP19910143871
申请日期
1991.05.20
申请人
SONY CORP
发明人
YAMAMOTO HIROTAKA;TANAKA TAMIYA
分类号
G11B31/00;H04Q9/00
主分类号
G11B31/00
代理机构
代理人
主权项
地址
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