ROTARY DRILLING BIT BEARING
SIANKA-IBARRA LUIS,SU, MAKSIMENKO BORIS P,SU, KONSTANTINOV LEONID P,SU, BARABASHKIN IGOR ,SU
Year of Publication 25.06.1979
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Year of Publication 25.06.1979
Patent
CORE ROTARY DRILLING BIT
LUKASHKIN ALEKSANDR ,SU, MATVEEV GRIGORIJ ,SU, PORUNOV NIKOLAJ P,SU, MAKURIN VLADIMIR V,SU, KOKIN GENNADIJ A,SU, BARABASHKIN IGOR ,SU
Year of Publication 30.03.1981
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Year of Publication 30.03.1981
Patent
CUTTING-ACTION DRILLING BIT
KUNTSYAK YAROSLAV V,SU, SIANKA-IBARRA LUIS,SU, VEKERIK VASILIJ ,SU, TERENTYAK ROMAN D,SU, MIKHALCHUK ALEKSANDR B,SU, BARABASHKIN IGOR ,SU
Year of Publication 30.03.1981
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Year of Publication 30.03.1981
Patent
DRILLING TOOL
KUNTSYAK YAROSLAV V,SU, SIANKA-IBARRA LUIS,SU, MATVEEV GRIGORIJ ,SU, MIKHALCHUK ALEKSANDR B,SU, EJGELES RUDOLF M,SU, BARABASHKIN IGOR ,SU
Year of Publication 07.01.1981
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Year of Publication 07.01.1981
Patent
CORE-TAKING TOOL
SIANKA-IBARRA LUIS,SU, MARTYSHIN ADOLF N,SU, EDELMAN YAKOV A,SU, DOROFEEV VITALIJ A,SU, POLSHKOV VLADIMIR K,SU, KONSTANTINOV LEONID P,SU, BARABASHKIN IGOR ,SU
Year of Publication 30.07.1979
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Year of Publication 30.07.1979
Patent
CORE BREAKER
SKVORTSOVA VALENTINA P,SU, EDELMAN YAKOV A,SU, NIKITIN STANISLAV V,SU, KONSTANTINOV LEONID P,SU, BARABASHKIN IGOR ,SU
Year of Publication 15.10.1977
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Year of Publication 15.10.1977
Patent
BLADED DRILL FOR ROTARY DRILLING
KUNTSYAK YAROSLAV V,SU, VLADISLAVLEV YURIJ E,SU, BARABASHKIN IGOR I,SU
Year of Publication 15.02.1989
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Year of Publication 15.02.1989
Patent