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发明名称
Typewriting machine
摘要
申请公布号
US2069298(A)
申请公布日期
1937.02.02
申请号
US19350039515
申请日期
1935.09.07
申请人
L. C. SMITH & CORONA TYPEWRITERS, INC.
发明人
AVERY HENRY ALLEN
分类号
B41J5/26
主分类号
B41J5/26
代理机构
代理人
主权项
地址
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