发明授权
- 专利标题: Motor control.
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申请号: US1907353648申请日: 1907-01-23
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公开(公告)号: US890627A公开(公告)日: 1908-06-16
- 发明人: EICHBERG FRIEDRICH
- 申请人: GEN ELECTRIC
- 专利权人: Gen Electric
- 当前专利权人: Gen Electric
- 优先权: US1907353648 1907-01-23