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发明名称
Bookkeeping machine
摘要
申请公布号
US2120390(A)
申请公布日期
1938.06.14
申请号
US19340742540
申请日期
1934.09.04
申请人
THE NATIONAL CASH REGISTER CO.
发明人
BREITLING ERNST
分类号
G06C27/00
主分类号
G06C27/00
代理机构
代理人
主权项
地址
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