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经营范围
发明名称
TYPEWRITING AND COMPUTING MACHINE
摘要
申请公布号
CA372678(A)
申请公布日期
1938.03.22
申请号
CAD372678
申请日期
申请人
THE UNDERWOOD ELLIOTT FISHER COMPANY
发明人
HENRY LAFAYETTE PITMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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