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发明名称
摘要
申请公布号
JPH0240583(Y2)
申请公布日期
1990.10.30
申请号
JP19830050502U
申请日期
1983.04.05
申请人
发明人
分类号
G11B7/24;G01K11/12;(IPC1-7):G11B7/24
主分类号
G11B7/24
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代理人
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