| 发明名称 |
Use of a porous plastic article as aerator |
| 摘要 |
<p>The invention relates to an aerator consisting of a porous plastic moulded body with pores that are smaller on the air outflow side (A) than on the air inflow side (B) lying opposite. The inventive aerator is particularly suitable for use in sewage treatment plants.</p> |
| 申请公布号 |
EP1497231(A1) |
申请公布日期 |
2005.01.19 |
| 申请号 |
EP20020760284 |
申请日期 |
2002.07.26 |
| 申请人 |
PFLEIDERER INFRASTRUKTURTECHNIK GMBH & CO. KG |
发明人 |
GIANGRASSO, ANTONIO |
| 分类号 |
B01D39/16;B01F3/04;C02F3/20;(IPC1-7):C02F3/20 |
主分类号 |
B01D39/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
