发明名称 ELEKTROSTATISCHES FILTERFASERVLIES MIT EINGELEGTEM FUTTER
摘要 Provided is a nonwoven web of electrically charged fibers needle-punched to a scrim support. This web provides a filter medium having increased uniformity in pressure-drop, basis weight and filtration performance.
申请公布号 DE69210047(D1) 申请公布日期 1996.05.23
申请号 DE1992610047 申请日期 1992.12.03
申请人 MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US 发明人 NELSON, DAVID, L., SAINT PAUL, MN 55133-3427, US
分类号 B01D39/00;B01D39/08;B01D39/14;B01D39/16;B03C3/28;B32B5/06;D04H1/42;D04H1/46;D04H5/02;D04H13/00 主分类号 B01D39/00
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