| 发明名称 |
Air filter with electrostatically active fabric layer and its use |
| 摘要 |
A multilayer air filter including a filter layer covered on the crude gas side with a prefilter layer, comprising a dry and electrostatically active fleece of surface weight 10-100 g/m<2> is new.
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| 申请公布号 |
EP1254693(A2) |
申请公布日期 |
2002.11.06 |
| 申请号 |
EP20020001201 |
申请日期 |
2002.01.17 |
| 申请人 |
CARL FREUDENBERG KG |
发明人 |
SCHULTHEISS, WOLFRAM;GREINER, ARMIN, DR. RER.NAT.;FRANK, SILKE |
| 分类号 |
A47L9/14;B01D39/16;B01D39/18;B01D46/02;(IPC1-7):B01D46/02 |
主分类号 |
A47L9/14 |
| 代理机构 |
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