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发明名称
Stitch-forming mechanism for sewing machines
摘要
申请公布号
US1988789(A)
申请公布日期
1935.01.22
申请号
US19330700039
申请日期
1933.11.28
申请人
THE SINGER MANUFACTURING COMPANY
发明人
GRIEB ALFRED
分类号
D05B57/14
主分类号
D05B57/14
代理机构
代理人
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