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发明名称
TYPEWRITER
摘要
申请公布号
CA390860(A)
申请公布日期
1940.08.20
申请号
CAD390860
申请日期
申请人
L. C. SMITH AND CORONA TYPEWRITERS
发明人
JOSEPH P. BARKDOLL;HENRY ALLEN AVERY
分类号
主分类号
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代理人
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