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发明名称
MAGNEETROL.
摘要
申请公布号
NL7509870(A)
申请公布日期
1977.02.22
申请号
NL19750009870
申请日期
1975.08.20
申请人
OCE-VAN DER GRINTEN N.V. TE VENLO.
发明人
分类号
G03G15/09;H01F7/02;(IPC1-7):G03G15/09
主分类号
G03G15/09
代理机构
代理人
主权项
地址
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