ANTI-FILTERING CURTAIN Russian patent published in 1996 - IPC

Abstract RU 2054500 C1

FIELD: melioration and underground building. SUBSTANCE: curtain has film-type members with thickened edges along lengthwise sides and slide bar for tightening together plank-type members. Cross section of the slide bar is "8"-shaped with slots at apices. EFFECT: protection of water reservoirs against chemical pollution. 2 cl, 2 dwg

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RU 2 054 500 C1

Authors

Gol'Dfel'D Igor' Zus'Evich

Dates

1996-02-20—Published

1992-04-07—Filed