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经营范围
发明名称
Elektrische Rechenmaschine.
摘要
申请公布号
CH251585(A)
申请公布日期
1947.10.31
申请号
CHD251585
申请日期
1946.10.28
申请人
NEF,WALTER,PROF. DR.
发明人
DR. NEF,WALTER,PROF.
分类号
G06F7/46
主分类号
G06F7/46
代理机构
代理人
主权项
地址
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