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发明名称
Feeding mechanism for sewing machines
摘要
申请公布号
US2550553(A)
申请公布日期
1951.04.24
申请号
US19480016796
申请日期
1948.03.24
申请人
THE SINGER MANUFACTURING COMPANY
发明人
GRAESSER DAVID A.;MATUZAS ANTHONY J.
分类号
D05B27/02
主分类号
D05B27/02
代理机构
代理人
主权项
地址
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