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发明名称
Lochmaschine fuer Lochkombinationen
摘要
申请公布号
DE654130(C)
申请公布日期
1937.12.15
申请号
DED654130D
申请日期
1930.12.18
申请人
DEUTSCHE HOLLERITH MASCHINEN GESELLSCHAFT M.B.H.
发明人
MAUL MICHAEL
分类号
主分类号
代理机构
代理人
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