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发明名称
Typewriting machine
摘要
申请公布号
US1912449(A)
申请公布日期
1933.06.06
申请号
US19300438589
申请日期
1930.03.24
申请人
REMINGTON TYPEWRITER COMPANY
发明人
HART FREDERICK A.
分类号
B41J1/14
主分类号
B41J1/14
代理机构
代理人
主权项
地址
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