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发明名称
Uncurling guide for sewing machines
摘要
申请公布号
GB534429(A)
申请公布日期
1941.03.06
申请号
GB19400003321
申请日期
1940.02.22
申请人
THE SINGER MANUFACTURING COMPANY
发明人
分类号
D05B27/18
主分类号
D05B27/18
代理机构
代理人
主权项
地址
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