发明名称 |
Ceiling structure for underground chamber |
摘要 |
The roof structure is also formed to accommodate and conduct away water which leaks downwards from the rock and soil above the underground chamber. Its facility to be dismantled permits the rock surface of the chamber to be inspected. |
申请公布号 |
SE457549(B) |
申请公布日期 |
1989.01.09 |
申请号 |
SE19850002628 |
申请日期 |
1985.05.29 |
申请人 |
VAESTERBOTTENSKOMMUNERNAS ARKITEKT- OCH BYGGNADSKONTOR (V |
发明人 |
S * OLSSON |
分类号 |
E21D19/00;(IPC1-7):21D11/14;21D11/38;21D19/00 |
主分类号 |
E21D19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|