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经营范围
发明名称
Improvements in typewriters and like machines
摘要
申请公布号
GB584411(A)
申请公布日期
1947.01.14
申请号
GB19440021425
申请日期
1944.11.02
申请人
ARTHUR PATEMAN
发明人
分类号
B41J7/02
主分类号
B41J7/02
代理机构
代理人
主权项
地址
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