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经营范围
发明名称
ROTARY DRIVER FOR DISK
摘要
申请公布号
JPH0668570(A)
申请公布日期
1994.03.11
申请号
JP19920291811
申请日期
1992.10.29
申请人
SONY CORP
发明人
TSUKAHARA NOBUHIKO
分类号
G11B17/028;G11B17/03;(IPC1-7):G11B17/03
主分类号
G11B17/028
代理机构
代理人
主权项
地址
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