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经营范围
发明名称
Russische Rechenmaschine
摘要
申请公布号
DE599974(C)
申请公布日期
1934.07.12
申请号
DE1932F073836D
申请日期
1932.05.03
申请人
GUSTAV FISCHER
发明人
分类号
G09B19/02
主分类号
G09B19/02
代理机构
代理人
主权项
地址
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