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发明名称
Anordnung zur Lochung von Aufzeichnungstraegern unter Steuerung durch Lochkarten
摘要
申请公布号
DE877219(C)
申请公布日期
1953.05.21
申请号
DE1950I002087
申请日期
1950.09.23
申请人
IBM DEUTSCHLAND INTERNATIONALE BUERO MASCHINEN GESELLSCHAFT M.B.H.
发明人
DOTY CHARLES RANDALL
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