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Document Type and Number:
Japanese Patent JPS5647299
Kind Code:
B2
Abstract:
1469740 Electrostatically charged filters VERTO NV 24 March 1975 [25 March 1974] 12176/75 Heading B2J [Also in Division B5] An inherently charged filter for collecting positively- and/or. negatively-charged particles comprises a wound roll of electrostatically charged fibres preferably of polypropylene. The fibres are formed by fibrillating a stretched, charged sheet of polypropylene (see Division B5).

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Application Number:
JP3651075A
Publication Date:
November 09, 1981
Filing Date:
March 25, 1975
Export Citation:
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International Classes:
B01D39/14; B01D39/08; B01D39/16; B29C71/00; D01D5/42; D04H13/02; D06M10/00; D06M10/02; H01G7/02; D06M101/00; D06M101/16; D06M101/18; D06M101/20; D06M101/22



 
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