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发明名称
Positive margin control attachment for sewing machines
摘要
申请公布号
US3334603(A)
申请公布日期
1967.08.08
申请号
US19640421311
申请日期
1964.12.28
申请人
BOSER RONALD J;WESCHLER EUGENE L
发明人
BOSER RONALD J.;WESCHLER EUGENE L.
分类号
D05B35/06;D05B73/12
主分类号
D05B35/06
代理机构
代理人
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