| 发明名称 |
Biological purification of sewage |
| 摘要 |
<p>Biological purification apparatus permits the sewage surface to be covered with a solid layer of biological material. A flow body, positioned in the path of flow of the sewage, is provided with means to enlarge the surface area accommodating the layer of biological material.</p> |
| 申请公布号 |
DE1934501(A1) |
申请公布日期 |
1971.01.14 |
| 申请号 |
DE19691934501 |
申请日期 |
1969.07.08 |
| 申请人 |
ENGELBART,DIPL.-ING. FRITZ |
发明人 |
FRITZ ENGELBART,DIPL.-ING. |
| 分类号 |
C02F3/06;C02F3/08;C02F3/10 |
主分类号 |
C02F3/06 |
| 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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