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发明名称
Automatic typewriter
摘要
申请公布号
US1769625(A)
申请公布日期
1930.07.01
申请号
US19270199637
申请日期
1927.06.18
申请人
C. E. HOOVEN
发明人
EVANS KELLEY D.
分类号
B41J5/38
主分类号
B41J5/38
代理机构
代理人
主权项
地址
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