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发明名称
Typewriting machine
摘要
申请公布号
US2030858(A)
申请公布日期
1936.02.18
申请号
US19320613868
申请日期
1932.05.27
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
DOBSON WILLIAM A.
分类号
B41J29/13
主分类号
B41J29/13
代理机构
代理人
主权项
地址
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