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发明名称
Rechen- oder Buchungsmaschine.
摘要
申请公布号
AT125915(B)
申请公布日期
1931.12.28
申请号
ATD125915
申请日期
1929.11.29
申请人
THE ELLIS ADDING TYPEWRITER COMPANY
发明人
分类号
主分类号
代理机构
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