| 发明名称 |
Trench Drainage System |
| 摘要 |
A trench drainage system (60) has parallel L-shape support rails (61) toed in towards each other and located into a dug trench by supports. A trough (62) is suspended below the rails. A grate (63) is supported over the rails and held by clips (65) that pass over the grate and under the rail lips. |
| 申请公布号 |
NZ599852(A) |
申请公布日期 |
2013.11.29 |
| 申请号 |
NZ20120599852 |
申请日期 |
2012.05.08 |
| 申请人 |
ARMSTRONG AND MCGOVERN LIMITED |
发明人 |
MCGOVERN, BRIAN |
| 分类号 |
E02D29/05;E01F5/00;E03B3/02;E03B3/03;E03B3/40;E03F5/04;E03F5/046;E03F5/16 |
主分类号 |
E02D29/05 |
| 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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