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发明名称
Zehntasten-Rechenmaschine
摘要
申请公布号
DE1449982(A1)
申请公布日期
1969.06.04
申请号
DE19641449982
申请日期
1964.10.01
申请人
ING.C. OLIVETTI & C.,S.P.A.
发明人
分类号
G06C7/08;G06C7/12
主分类号
G06C7/08
代理机构
代理人
主权项
地址
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