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发明名称
Feeding mechanism for sewing machines
摘要
申请公布号
US2154396(A)
申请公布日期
1939.04.11
申请号
US19370176190
申请日期
1937.11.24
申请人
THE SINGER MANUFACTURING COMPANY
发明人
CLAYTON ANDREW B.
分类号
D05B27/14
主分类号
D05B27/14
代理机构
代理人
主权项
地址
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