- 专利标题: Feeding mechanism for sewing machines
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申请号: US55440331申请日: 1931-08-01
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公开(公告)号: US1917757A公开(公告)日: 1933-07-11
- 发明人: EAMES GEORGE M
- 申请人: SINGER MFG CO
- 专利权人: Singer Co
- 当前专利权人: Singer Co
- 优先权: US55440331 1931-08-01; US40922429 1929-11-23
- 主分类号: D05B15/02
- IPC分类号: D05B15/02 ; D05B73/00
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