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发明名称
Zehntasten-Rechenmaschine.
摘要
申请公布号
CH311277(A)
申请公布日期
1955.11.30
申请号
CHD311277
申请日期
1952.12.04
申请人
DEUTSCHE TELEPHONWERKE UND KABELINDUSTRIE AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT DEUTSCHE TELEPHONWERKE UND KABELINDUSTRIE
分类号
主分类号
代理机构
代理人
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