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1 802 437

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A1

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IPC

(21) (22)

Application

4207909/12, 1987-01-07

(22)

Actual filing date

1987-01-07

(45)

Published

1994-12-15

(72)

Inventor

Kirson P.F.Ehsterlis M.Kh.Gruich D.D.Bulat V.E.Abdulov A.V.Pichko S.V.

DEVICE FOR CLEANING INTERNAL SURFACE OF PIPE Russian patent published in 1994 - IPC

Abstract SU 1802437 A1

FIELD: pipe line engineering. SUBSTANCE: device has cathode that is in contact with a pipe and made of electrically insulated sections. The sections are spread over the whole length of an electrode and provide electric contact. The electrode is connected to a single power source from both ends. EFFECT: enhanced quality of cleaning. 2 cl, 1 dwg

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SU 1 802 437 A1

Authors

Kirson P.F.

Ehsterlis M.Kh.

Gruich D.D.

Bulat V.E.

Abdulov A.V.

Pichko S.V.

Dates

1994-12-15—Published

1987-01-07—Filed

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