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发明名称
Attachment for sewing machines
摘要
申请公布号
US2063844(A)
申请公布日期
1936.12.08
申请号
US19340758381
申请日期
1934.12.20
申请人
THE SINGER MANUFACTURING COMPANY
发明人
KARLE JOHN D.
分类号
D05B21/00
主分类号
D05B21/00
代理机构
代理人
主权项
地址
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