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发明名称
MAGNETIC DRUM STORAGE APPARATUS
摘要
申请公布号
CA690962(A)
申请公布日期
1964.07.21
申请号
CAD690962
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
JOSEPH P. PAWLETKO
分类号
主分类号
代理机构
代理人
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