| 发明名称 |
AN AUTOMOBILE TIRE HAVING RETRACTABLE TREAD STUDS |
| 摘要 |
<p>An automobile tire having retractable tread studs for increasing traction of the tire on slippery surfaces which are actuated by air pressure that is controlled by the automobile driver from the driver's seat.</p> |
| 申请公布号 |
GB2203391(B) |
申请公布日期 |
1991.09.04 |
| 申请号 |
GB19870008250 |
申请日期 |
1987.04.07 |
| 申请人 |
CHERNG YI * SU |
发明人 |
CHERNG YI * SU |
| 分类号 |
B60C11/16;(IPC1-7):B60C11/16 |
主分类号 |
B60C11/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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