| 发明名称 |
VACUUM CLEANER BAG AND METHOD FOR EXTENDING THE SERVICE LIFE THEREOF |
| 摘要 |
The invention relates to a vacuum cleaner bag which is made of an air-permeable filtering material, forms a closed dust-collecting space and is characterised in that said bag contains a material whirling under action of an air flow. |
| 申请公布号 |
WO2005060807(A1) |
申请公布日期 |
2005.07.07 |
| 申请号 |
WO2004EP14473 |
申请日期 |
2004.12.17 |
| 申请人 |
EUROFILTERS N.V.;SCHULTINK, JAN;SAUER, RALF |
发明人 |
SCHULTINK, JAN;SAUER, RALF |
| 分类号 |
A47L9/14;B01D39/02;B01D39/16;B01D39/18 |
主分类号 |
A47L9/14 |
| 代理机构 |
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