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发明名称
Schreibrechenmaschine mit mehreren Quersummierwerken
摘要
申请公布号
DE502891(C)
申请公布日期
1930.07.28
申请号
DE1926M096298D
申请日期
1926.09.24
申请人
MERCEDES BUEROMASCHINEN-WERKE A.G.
发明人
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主分类号
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