| 发明名称 |
COMPOSITE BLADDER FOR GAME BALLS |
| 摘要 |
A bladder for a game ball is formed from a composite film which is made from a mixture of polyurethane and polyvinylchloride. |
| 申请公布号 |
GB2242905(B) |
申请公布日期 |
1993.02.17 |
| 申请号 |
GB19910006548 |
申请日期 |
1991.03.27 |
| 申请人 |
* WILSON SPORTING GOODS CO |
发明人 |
PETER J * WALTERS |
| 分类号 |
A63B41/02;C08L27/06;C08L75/04 |
主分类号 |
A63B41/02 |
| 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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