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发明名称
Typewriting machine
摘要
申请公布号
US2322524(A)
申请公布日期
1943.06.22
申请号
US19400354431
申请日期
1940.08.27
申请人
ROYAL TYPEWRITER COMPANY, INC.
发明人
KITTEL JOHN JOSEPH
分类号
B41J21/04
主分类号
B41J21/04
代理机构
代理人
主权项
地址
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