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发明名称
Typewriting machine
摘要
申请公布号
US1924119(A)
申请公布日期
1933.08.29
申请号
US19300472607
申请日期
1930.08.02
申请人
L C SMITH & CORONA TYPEWRITERS, INC.
发明人
GABRIELSON CARL
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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