FIELD: filters production. SUBSTANCE: filter has perforated tubular casing, filtering member for fine purification made in the form of cylinder with walls thickness of 1.5 - 5 mm, made of fibermetal material and located on its outer side filtering member for rough purification, that is made in the form of corrugated metal gauze and butt lids. EFFECT: improved quality o purification. 2 dwg
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Authors
Dates
1996-05-27—Published
1991-10-08—Filed