Expanded ball for sports that noises are reduced and is provided with pressure holding property for long term |
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| 申请号 | JP9167978 | 申请日 | 1978-07-28 | 公开(公告)号 | JPS5427831A | 公开(公告)日 | 1979-03-02 |
| 申请人 | Gen Tire & Rubber Co; | 发明人 | TOOMASU FURIIMAN RIIDO; REIMONDO KINTSU RITSUTSUERUTO; | ||||
| 摘要 | |||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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