- 专利标题: Take-up for sewing-machines.
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申请号: US1904206291申请日: 1904-05-04
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公开(公告)号: US842161A公开(公告)日: 1907-01-29
- 发明人: AMMERMAN WILLIAM M
- 申请人: EDWIN J TOOF COMPANY
- 专利权人: Edwin J Toof Company
- 当前专利权人: Edwin J Toof Company
- 优先权: US1904206291 1904-05-04