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发明名称
摘要
申请公布号
JPS5423704(U)
申请公布日期
1979.02.16
申请号
JP19770096620U
申请日期
1977.07.20
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发明人
分类号
G11B15/46;(IPC1-7):G11B15/46
主分类号
G11B15/46
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