| 发明名称 |
Arena for sports events, has central area formed by fixed section with section above it which can be moved out of way into non overlapping position |
| 摘要 |
<p>The center of the arena comprises a fixed section with a movable section above it which can be moved between a working position above the fixed section and a resting position where it is not overlapping with the fixed section.</p> |
| 申请公布号 |
SE529092(C2) |
申请公布日期 |
2007.04.24 |
| 申请号 |
SE20060000727 |
申请日期 |
2006.03.31 |
| 申请人 |
ULF HAGSTROEM MED FIRMA KEO ENERGI |
发明人 |
ULF HAGSTROEM |
| 分类号 |
E04H3/10;E04H3/12;E04H3/14 |
主分类号 |
E04H3/10 |
| 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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