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发明名称
Presser device for sewing machines
摘要
申请公布号
US2419494(A)
申请公布日期
1947.04.22
申请号
US19450621993
申请日期
1945.10.12
申请人
THE SINGER MANUFACTURING COMPANY
发明人
KNAUS NICHOLAUS
分类号
D05B29/02
主分类号
D05B29/02
代理机构
代理人
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地址
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