PROCESS OF BUILDING OF ANTIFILTERING SCREEN Russian patent published in 1994 - IPC

Abstract RU 2007509 C1

FIELD: water-development construction. SUBSTANCE: process of building of antifiltering screen includes laying of film 1, of two layers of strong synthetic material 2 and 3 laid perpendicular to each other and of fill of protective layer 4. EFFECT: reduced labour input, enhanced reliability of structure. 2 dwg

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RU 2 007 509 C1

Authors

Poljakov Sergej Alekseevich

Kosichenko Jurij Mikhajlovich

Belov Viktor Aleksandrovich

Dates

1994-02-15Published

1991-11-26Filed