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发明名称
Rotary hook mechanism for sewing machines
摘要
申请公布号
GB562483(A)
申请公布日期
1944.07.04
申请号
GB19420018448
申请日期
1942.12.29
申请人
THE SINGER MANUFACTURING COMPANY
发明人
分类号
D05B71/02
主分类号
D05B71/02
代理机构
代理人
主权项
地址
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