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发明名称
Strip-collapsing device for sewing machines
摘要
申请公布号
US2660139(A)
申请公布日期
1953.11.24
申请号
US19510217835
申请日期
1951.03.27
申请人
THE SINGER MANUFACTURING COMPANY
发明人
ACKERMAN JAMES E.
分类号
D05B35/06
主分类号
D05B35/06
代理机构
代理人
主权项
地址
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