Method of forming rim ribs by relative axial and rotative movement of bending dies |
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| 申请号 | US63030056 | 申请日 | 1956-12-24 | 公开(公告)号 | US2826234A | 公开(公告)日 | 1958-03-11 |
| 申请人 | GOODYEAR TIRE & RUBBER; | 发明人 | WOODWARD ALVA W; | ||||
| 摘要 | |||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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