| 发明名称 |
FLEXIBLE SHAFT FOR USE TO JOIN TWO OPENINGS, AND PARTICULARLY TO CANALIZE A LUMINOUS FLUX FROM A LIGHT CATCHING OPENING TO A LIGHT SPREADING OPENING, AND BUILDING-ROOM NATURAL LIGHTING SYSTEM USING SAID FLEXIBLE SHAFT |
| 摘要 |
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| 申请公布号 |
EP0313461(B1) |
申请公布日期 |
1990.10.17 |
| 申请号 |
EP19880402638 |
申请日期 |
1988.10.19 |
| 申请人 |
SIPLAST S.A.;SPIRAGAINE S.A. |
发明人 |
CHEFSON, PATRICE;MAILLET, JEAN-CLAUDE |
| 分类号 |
E04B9/32;E04D13/03;E04D13/14 |
主分类号 |
E04B9/32 |
| 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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