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发明名称
Typewriting machine
摘要
申请公布号
US2244115(A)
申请公布日期
1941.06.03
申请号
US19380239045
申请日期
1938.11.05
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
PITMAN HENRY L.
分类号
B41J11/24
主分类号
B41J11/24
代理机构
代理人
主权项
地址
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