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发明名称
Feed-wheel stop for buttonhole sewing machines
摘要
申请公布号
US1955994(A)
申请公布日期
1934.04.24
申请号
US19310578966
申请日期
1931.12.04
申请人
THE SINGER MANUFACTURING COMPANY
发明人
WOOD ALFRED R.
分类号
D05B3/08;D05B65/00;D05B73/12
主分类号
D05B3/08
代理机构
代理人
主权项
地址
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