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发明名称
摘要
申请公布号
JPH0740413(B2)
申请公布日期
1995.05.01
申请号
JP19870214501
申请日期
1987.08.28
申请人
发明人
分类号
G11B21/21;G11B5/60;(IPC1-7):G11B21/21
主分类号
G11B21/21
代理机构
代理人
主权项
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