| 发明名称 |
Filter system for room air purification apparatuses |
| 摘要 |
The invention describes a concertina filter which is characterised in that it is shipped in the shipping form as a package compressed together and is used in the working area unfolded and in this case releases the influx and efflux surfaces in accordance with flow, the support points being made impermeable at the same time.
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| 申请公布号 |
DE3710271(A1) |
申请公布日期 |
1988.10.06 |
| 申请号 |
DE19873710271 |
申请日期 |
1987.03.28 |
| 申请人 |
HOELTER,HEINZ,DIPL.-ING. |
发明人 |
HOELTER,HEINZ,DIPL.-ING.;GRESCH,HEINRICH,ING.;IGELBUESCHER,HEINRICH,DIPL.-ING. |
| 分类号 |
B01D46/12;B01D46/42;(IPC1-7):B01D46/12;B01D46/52;B01D39/18 |
主分类号 |
B01D46/12 |
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