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发明名称
Feed reversing mechanism for sewing machines
摘要
申请公布号
US2005656(A)
申请公布日期
1935.06.18
申请号
US19310582147
申请日期
1931.12.19
申请人
FREYDBERG BROTHERS, INC.
发明人
LASZTOEZY STEPHEN
分类号
D05B69/18
主分类号
D05B69/18
代理机构
代理人
主权项
地址
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