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经营范围
发明名称
MULTIAPERTURE THIN FILM MAGNETIC MEMORY
摘要
申请公布号
US3432822(A)
申请公布日期
1969.03.11
申请号
US19640370159
申请日期
1964.05.26
申请人
INTERN. BUSINESS MACHINES CORP.
发明人
BRUCE I. BERTELSEN
分类号
H03K17/84;(IPC1-7):G11B5/00
主分类号
H03K17/84
代理机构
代理人
主权项
地址
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