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发明名称
Loop-spreader mechanism for chainstitch sewing machines
摘要
申请公布号
US2482079(A)
申请公布日期
1949.09.13
申请号
US19470732184
申请日期
1947.03.04
申请人
THE SINGER MANUFACTURING COMPANY
发明人
ZEIER FREDERICK F.
分类号
D05B1/10;D05B57/02
主分类号
D05B1/10
代理机构
代理人
主权项
地址
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