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发明名称
Typewriting machine
摘要
申请公布号
US2336976(A)
申请公布日期
1943.12.14
申请号
US19410394899
申请日期
1941.05.23
申请人
L C SMITH & CORONA TYPEWRITERS, INC.
发明人
BARKDOLL JOSEPH P.
分类号
B41J7/02
主分类号
B41J7/02
代理机构
代理人
主权项
地址
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