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发明名称
Calculating machine
摘要
申请公布号
US2362702(A)
申请公布日期
1944.11.14
申请号
US19420449053
申请日期
1942.06.30
申请人
KRIEGER SAMUEL I
发明人
KRIEGER SAMUEL I.
分类号
主分类号
代理机构
代理人
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