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发明名称
摘要
申请公布号
JPS55132791(U)
申请公布日期
1980.09.19
申请号
JP19790032699U
申请日期
1979.03.14
申请人
发明人
分类号
G11B17/054;G11B5/54;G11B17/056;G11B21/12;G11B25/04;G11B33/12;(IPC1-7):G11B25/04
主分类号
G11B17/054
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