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2 008 067

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C1

(51)

IPC

(21) (22)

Application

4943992/26, 1991-04-04

(22)

Actual filing date

1991-04-04

(45)

Published

1994-02-28

(72)

Inventor

Shcherbakova N.V.Koroleva N.I.Rozhkova E.A.Radimov N.P.Migranova N.S.Mizjaeva L.M.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie

ULTILAYER FILTER MEDIUM Russian patent published in 1994 - IPC

Abstract RU 2008067 C1

FIELD: filter mediums. SUBSTANCE: filter medium is composed of 2-3 layers of carbonaceous fibrous material containing 2-3 wt. % of SiC with surface density of material of 508-820 t/m2. EFFECT: enhanced efficiency. 1 tbl 9

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RU 2 008 067 C1

Authors

Shcherbakova N.V.

Koroleva N.I.

Rozhkova E.A.

Radimov N.P.

Migranova N.S.

Mizjaeva L.M.

Dates

1994-02-28—Published

1991-04-04—Filed

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