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经营范围
发明名称
ROTARY HEAD DRUM DEVICE
摘要
申请公布号
JPH04305813(A)
申请公布日期
1992.10.28
申请号
JP19910068129
申请日期
1991.04.01
申请人
SONY CORP
发明人
HASEGAWA SHINICHI
分类号
G11B5/52;G11B5/53;G11B15/61
主分类号
G11B5/52
代理机构
代理人
主权项
地址
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