| 发明名称 |
Chambered element for use in forming a roller screen |
| 摘要 |
A chambered element for use in forming a roller screen has a pair of longitudinally extending chambers separated by a common wall and means are provided by the wall-forming elements of one of the chambers for coupling a co-extending finishing member.
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| 申请公布号 |
US4173247(A) |
申请公布日期 |
1979.11.06 |
| 申请号 |
US19780922379 |
申请日期 |
1978.07.06 |
| 申请人 |
PIANA, RENATO |
发明人 |
PIANA, RENATO |
| 分类号 |
E06B9/165;E06B9/58;(IPC1-7):E06B3/12 |
主分类号 |
E06B9/165 |
| 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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