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Year of Publication 07.09.1987
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Year of Publication 07.09.1987
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METHOD OF ISOLATING THE HIGH-PRESSURE ZONE IN WATER INTAKE PORTION OF WELL
DRIGO LEONID N,SU, GUBIN NIKOLAJ I,SU, AJSVIRT NIKOLAJ G,SU, GAZIZOV MAKSUM S,SU, NAGORNYJ PAVEL I,SU
Year of Publication 30.03.1984
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Year of Publication 30.03.1984
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DEVICE FOR CLEANING WELLS
SELEZNEV ANATOLIJ K,SU, ALEKSEEV VLADIMIR S,SU, DRIGO LEONID N,SU, POPOV NIKOLAJ K,SU, CHENDEV FEDOR S,SU, MOMCHILOV VLADIMIR S,SU, GAZIZOV MAKSUM S,SU, NAGORNYJ PAVEL I,SU
Year of Publication 30.05.1991
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Year of Publication 30.05.1991
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