发明授权
- 专利标题: Rotary engine.
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申请号: US1913747619申请日: 1913-02-11
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公开(公告)号: US1158467A公开(公告)日: 1915-11-02
- 发明人: EVANS JAMES M
- 申请人: EVANS JAMES M
- 专利权人: James M Evans
- 当前专利权人: James M Evans
- 优先权: US1913747619 1913-02-11