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 代理人
主权项
地址