| 发明名称 |
Amphibian stopping channel for preventing amphibians from crossing a channel is made of reinforced concrete with a grid made of vertically arranged flat steel |
| 摘要 |
<p>Amphibian stopping channel is made of reinforced concrete with a grid made of vertically arranged flat steel.</p> |
| 申请公布号 |
DE20315600(U1) |
申请公布日期 |
2004.01.15 |
| 申请号 |
DE2003215600U |
申请日期 |
2003.10.10 |
| 申请人 |
HOFMANN, FRIEDBERT |
发明人 |
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| 分类号 |
A01M29/30;E03F5/06;(IPC1-7):E01F15/00;A01M29/00 |
主分类号 |
A01M29/30 |
| 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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