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发明名称
Buttonhole attachment for sewing machines
摘要
申请公布号
US2649063(A)
申请公布日期
1953.08.18
申请号
US19500192430
申请日期
1950.10.27
申请人
THE GREIST MANUFACTURING COMPANY
发明人
RUSSELL HERBERT H.
分类号
D05B3/24
主分类号
D05B3/24
代理机构
代理人
主权项
地址
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