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发明名称
Typewriting machine
摘要
申请公布号
US2341481(A)
申请公布日期
1944.02.08
申请号
US19410398795
申请日期
1941.06.19
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
SMITH JESSE A. B.
分类号
B41J29/19
主分类号
B41J29/19
代理机构
代理人
主权项
地址
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