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发明名称
Writing machine
摘要
申请公布号
US2202958(A)
申请公布日期
1940.06.04
申请号
US19370166527
申请日期
1937.09.30
申请人
L. C. SMITH & CORONA TYPEWRITERS, INC.
发明人
MCFARLAND WILLIAM E.
分类号
B41J35/34
主分类号
B41J35/34
代理机构
代理人
主权项
地址
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