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发明名称
Rechenmaschine, insbesondere Vierspezies-Rechenmaschine
摘要
申请公布号
DE1001838(B)
申请公布日期
1957.01.31
申请号
DE1954M024708
申请日期
1954.10.02
申请人
DIEHL G.M.B.H.
发明人
KOLLMANN DIPL.-ING. KURT
分类号
G06C23/06
主分类号
G06C23/06
代理机构
代理人
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