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2 083 829

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Application

95107228/03, 1995-05-04

(22)

Actual filing date

1995-05-04

(45)

Published

1997-07-10

(72)

Inventor

Papulov L.M.Jakovkin L.N.Artemov V.G.Chelpanova E.V.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD FOR DEVELOPMENT OF ADJACENT FLAT POTASSIUM SEAMS BY NON-COAXIAL CHAMBERS Russian patent published in 1997 - IPC

Abstract RU 2083829 C1

FIELD: mining industry. SUBSTANCE: according to method, in stoping operations in non-explosion-risky seam, each two adjacent chambers are advanced towards each other, and formed between them is pliable pillar for supporting rock of immediate roof rock. EFFECT: high efficiency. 3 dwg

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RU 2 083 829 C1

Authors

Papulov L.M.

Jakovkin L.N.

Artemov V.G.

Chelpanova E.V.

Dates

1997-07-10—Published

1995-05-04—Filed

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