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发明名称
Presser-bar mechanism for sewing machines
摘要
申请公布号
US2430440(A)
申请公布日期
1947.11.04
申请号
US19450629363
申请日期
1945.11.19
申请人
THE SINGER MANUFACTURING COMPANY
发明人
ZEIER FREDERICK F.
分类号
D05B27/04;D05B29/06
主分类号
D05B27/04
代理机构
代理人
主权项
地址
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