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发明名称
Improvements in flat platen typewriters
摘要
申请公布号
GB333866(A)
申请公布日期
1930.08.21
申请号
GB19290014854D
申请日期
1929.09.10
申请人
ELLIOTT-FISHER COMPANY
发明人
分类号
B41J3/28
主分类号
B41J3/28
代理机构
代理人
主权项
地址
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