| 发明名称 |
SAFETY DEVICE FOR ACCESS TO A LADDER FROM AN UPPER FLOOR |
| 摘要 |
For access to a ladder (3) from an upper floor (1), a retractable platform (5) combined with a guard rail (8) ensures the safety of the user during the installation period of the safety device itself. |
| 申请公布号 |
WO9015219(A1) |
申请公布日期 |
1990.12.13 |
| 申请号 |
WO1990FR00383 |
申请日期 |
1990.06.01 |
| 申请人 |
COUTIER INDUSTRIE |
发明人 |
COUTIER, CHARLES |
| 分类号 |
E04F11/00;E04F11/04;E06C7/00;E06C7/18;E06C9/02 |
主分类号 |
E04F11/00 |
| 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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