发明名称 |
MATERIALBANE, SAERLIG TIL FILTRERINGSFORMAAL, FREMGANGSMAATEFOR DENS FREMSTILLING SAMT FOR DENS ANVENDELSE |
摘要 |
<p>A filter fabric comprises a needle felt substrate comprised of a non-woven air permeable fabric having spaced surfaces. An open pour air permeable plastic foam is incorporated into the substrate and extends from one surface toward the other.</p> |
申请公布号 |
NO168157(C) |
申请公布日期 |
1992.01.22 |
申请号 |
NO19870001292 |
申请日期 |
1987.03.27 |
申请人 |
HEIMBACH GMBH & CO, THOMAS JOSEF |
发明人 |
JANSSEN, EBERHARD;HUNOLD, WILLI |
分类号 |
B01D39/08;B01D39/16;D04H1/48;D04H1/485;D04H1/488;D04H1/68;(IPC1-7):B01D39/08;D21F7/08 |
主分类号 |
B01D39/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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