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经营范围
发明名称
Tabulating machine
摘要
申请公布号
US2039810(A)
申请公布日期
1936.05.05
申请号
US19360066585
申请日期
1936.03.02
申请人
LA BOITEAUX EUGENE M
发明人
BOITEAUX EUGENE M. LA
分类号
主分类号
代理机构
代理人
主权项
地址
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