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发明名称
MAGNETIC FILM MEMORIES
摘要
申请公布号
US3466640(A)
申请公布日期
1969.09.09
申请号
USD3466640
申请日期
1964.01.07
申请人
INTERN. BUSINESS MACHINES CORP.
发明人
GEORGE E. KEEFE;SIMON MIDDELHOEK
分类号
G11C7/02;G11C11/14;(IPC1-7):G11B5/78
主分类号
G11C7/02
代理机构
代理人
主权项
地址
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