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发明名称
Typewriting machine
摘要
申请公布号
US1821528(A)
申请公布日期
1931.09.01
申请号
US19270232513
申请日期
1927.11.11
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
SMITH JESSE A. B.
分类号
B41J17/00
主分类号
B41J17/00
代理机构
代理人
主权项
地址
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