Apparatus in and relating to trail-carriage guns mounted on endless tracks for varying the height of the line of fire of the gun |
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| 申请号 | US63572223 | 申请日 | 1923-04-30 | 公开(公告)号 | US1477979A | 公开(公告)日 | 1923-12-18 |
| 申请人 | SCHNEIDER & CIE; | 发明人 | EUGENE SCHNEIDER; | ||||
| 摘要 | |||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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