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经营范围
发明名称
Sewing machine with automatic disapparing treadle
摘要
申请公布号
US2607650(A)
申请公布日期
1952.08.19
申请号
US19480018667
申请日期
1948.04.02
申请人
FREE SEWING MACHINE CO.
发明人
FICHTER LUDWIG J.;PIERSON RALPH R.
分类号
D05B75/06
主分类号
D05B75/06
代理机构
代理人
主权项
地址
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