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发明名称
MAGNETIC RECORDING MEMBERS
摘要
申请公布号
US3554798(A)
申请公布日期
1971.01.12
申请号
USD3554798
申请日期
1969.06.17
申请人
E.I. DU PONT DE NEMOURS AND CO.
发明人
GEORGE RAYMOND NACCI
分类号
B41M5/26;G03G5/16;G03G19/00;(IPC1-7):H01F10/00
主分类号
B41M5/26
代理机构
代理人
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