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发明名称
Typewriting machine
摘要
申请公布号
US1820258(A)
申请公布日期
1931.08.25
申请号
US19280249288
申请日期
1928.01.25
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
VICKERS HARRY H.
分类号
B41J15/02
主分类号
B41J15/02
代理机构
代理人
主权项
地址
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