Device for moving a control surface in accordance with the density and velocity of the air stream |
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| 申请号 | US11174649 | 申请日 | 1949-08-22 | 公开(公告)号 | US3014675A | 公开(公告)日 | 1961-12-26 |
| 申请人 | LEWIS FREDERICK M; | 发明人 | LEWIS FREDERICK M; | ||||
| 摘要 | |||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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