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经营范围
发明名称
Rueckschaltvorrichtung an Rechenmaschinen
摘要
申请公布号
DE846315(C)
申请公布日期
1952.08.11
申请号
DE1949P030703
申请日期
1949.01.01
申请人
PRECISA A.-G. RECHENMASCHINENFABRIK
发明人
BENNINGER EUGEN
分类号
G06C7/10
主分类号
G06C7/10
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代理人
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