| 发明名称 |
Staged acidic, alkaline, neutral filter method for separating off bacteria, viruses and acidic, alkaline gaseous pollutants |
| 摘要 |
The invention describes an antiallergy filter which is characterized in that it comprises a plurality of mass structures having different pHs, an acidic filter layer always being first mounted upstream of the alkaline and/or neutral chemical filter layer on the intake side.
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| 申请公布号 |
DE3728028(A1) |
申请公布日期 |
1989.03.02 |
| 申请号 |
DE19873728028 |
申请日期 |
1987.08.22 |
| 申请人 |
HOELTER,HEINZ,DIPL.-ING. |
发明人 |
HOELTER,HEINZ,DIPL.-ING.;IGELBUESCHER,HEINRICH,DIPL.-ING.;GRESCH,HEINRICH,ING.;DEWERT,HERIBERT,DIPL.-ING. |
| 分类号 |
B01D39/02;B01D39/14;B01D53/92 |
主分类号 |
B01D39/02 |
| 代理机构 |
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