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发明名称
ROTARY HEAD DEVICE
摘要
申请公布号
JPH01169718(A)
申请公布日期
1989.07.05
申请号
JP19870327783
申请日期
1987.12.24
申请人
SONY CORP
发明人
SAITO ETSURO
分类号
G11B5/52;G11B5/588
主分类号
G11B5/52
代理机构
代理人
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