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发明名称
Work-guiding device for sewing machines
摘要
申请公布号
US1855139(A)
申请公布日期
1932.04.19
申请号
US19300478876
申请日期
1930.08.30
申请人
THE SINGER MANUFACTURING COMPANY
发明人
SAILER RUDOLPH J.
分类号
D05B29/06;D05B35/06
主分类号
D05B29/06
代理机构
代理人
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