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2 091 008

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C1

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IPC

(21) (22)

Application

94043978/13, 1994-12-15

(22)

Actual filing date

1994-12-15

(45)

Published

1997-09-27

(72)

Inventor

Gubin V.K.Khrabrov M.Ju.Kanardov V.I.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Gidrotekhniki I Melioratsii Im.A.N.Kostjakova

UNDERGROUND IRRIGATION PIPELINE Russian patent published in 1997 - IPC

Abstract RU 2091008 C1

FIELD: furrow and ribbon check irrigation. SUBSTANCE: apparatus has underground irrigation pipeline 1 with water discharge branch pipes 4 pivotally joined to perforated horizontal bars 11 through angular nozzles 5, having telescopic extensible mid portion and locking member 9 in their upper parts. Such construction allows controlled supply of water to different parts of pipeline and reliable protection of pipeline from damage to be provided. Besides, soil is prevented from washing out. EFFECT: increased efficiency and enhanced reliability in operation. 2 dwg

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RU 2 091 008 C1

Authors

Gubin V.K.

Khrabrov M.Ju.

Kanardov V.I.

Dates

1997-09-27—Published

1994-12-15—Filed

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