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发明名称
Typewriting machine
摘要
申请公布号
US2030410(A)
申请公布日期
1936.02.11
申请号
US19350043181
申请日期
1935.10.02
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
SMITH JESSE A. B.
分类号
B41J21/04
主分类号
B41J21/04
代理机构
代理人
主权项
地址
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