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2 006 565

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C1

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IPC

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Application

5019284/03, 1991-08-07

(22)

Actual filing date

1991-08-07

(45)

Published

1994-01-30

(72)

Inventor

Eshimov G.K.

(73)

Holder

Surgutskoe Otdelenie Zapadno-Sibirskogo Nauchno-Issledovatel'Skogo I Proektno-Konstruktorskogo Instituta Tekhnologii Glubokogo Razvedochnogo Burenija

DISC DRILL BIT Russian patent published in 1994 - IPC

Abstract RU 2006565 C1

FIELD: mining industry. SUBSTANCE: in disc drill bit cutting tools 5 are made arc-shaped in lateral section and are placed at angle to working surface of discs 4. EFFECT: enhanced efficiency. 4 dwg

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RU 2 006 565 C1

Authors

Eshimov G.K.

Dates

1994-01-30—Published

1991-08-07—Filed

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