| 发明名称 |
A LADDER FOR A MANHOLE |
| 摘要 |
<p>A manhole ladder is described, having steps which are each pivotable between a position allowing the ladder to be ascended or descended and a folded-away position.</p> |
| 申请公布号 |
WO2006024832(A1) |
申请公布日期 |
2006.03.09 |
| 申请号 |
WO2005GB03328 |
申请日期 |
2005.08.26 |
| 申请人 |
CASWICK LIMITED;KNIGHT, PHILIP |
发明人 |
KNIGHT, PHILIP |
| 分类号 |
E06C1/36;E06C1/387;E06C7/08;E06C7/50;E06C9/02;(IPC1-7):E06C9/02 |
主分类号 |
E06C1/36 |
| 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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