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发明名称
Improvements in typewriting machines
摘要
申请公布号
GB482112(A)
申请公布日期
1938.03.23
申请号
GB19370024955
申请日期
1937.09.14
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
分类号
B41J19/96
主分类号
B41J19/96
代理机构
代理人
主权项
地址
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