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发明名称
DURCH EINEN PERMANENTMAGNETEN GEBILDETER LOESCHKOPF
摘要
申请公布号
DE2715507(A1)
申请公布日期
1977.10.13
申请号
DE19772715507
申请日期
1977.04.06
申请人
OLYMPUS OPTICAL CO.,LTD.
发明人
HANAOKA,NAOHIRO
分类号
G11B5/02;G11B5/127;G11B5/325;(IPC1-7):G11B5/12
主分类号
G11B5/02
代理机构
代理人
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