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发明名称
Rechenmaschine mit Einrichtungen zur Rueckuebertragung
摘要
申请公布号
DE748500(C)
申请公布日期
1944.11.03
申请号
DE1940D083603D
申请日期
1940.10.23
申请人
发明人
HAMANN DR. H.C. CHRISTEL
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