ROTARY DRILLING BIT
PANIN NIKOLAJ M,SU, TSEKHMISTRENKO NIKOLAJ M,SU, SOROKIN VLADIMIR F,SU, PITERSKIJ VLADIMIR M,SU
Year of Publication 30.11.1988
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Year of Publication 30.11.1988
Patent
FLUSHING UNIT FOR DRILL BIT
BOGOMOLOV RODION M,SU, PANIN NIKOLAJ M,SU, TSEKHMISTRENKO NIKOLAJ M,SU, KIRSANOV VALERIJ A,SU, DUMKIN LEV N,SU
Year of Publication 15.09.1991
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Year of Publication 15.09.1991
Patent
DRILLING BIT FLUSHING DEVICE
LINDO GENNADIJ V,SU, PANIN NIKOLAJ M,SU, TSEKHMISTRENKO NIKOLAJ M,SU, ARESTOV VIKTOR P,SU, DUMKIN LEV N,SU
Year of Publication 30.05.1991
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Year of Publication 30.05.1991
Patent
DRILLING BIT
PANIN NIKOLAJ M,SU, TSEKHMISTRENKO NIKOLAJ M,SU, SOROKIN VLADIMIR F,SU, KIRSANOV VALERIJ A,SU, DUMKIN LEV N,SU, SAVOSTYANOV VLADIMIR G,SU
Year of Publication 28.02.1991
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Year of Publication 28.02.1991
Patent
DRILLING TOOL
LINDO GENNADIJ V,SU, ODINETS SERGEJ I,SU, PANIN NIKOLAJ M,SU, TSEKHMISTRENKO NIKOLAJ M,SU, ARESTOV VIKTOR P,SU, DUMKIN LEV N,SU
Year of Publication 07.05.1990
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Year of Publication 07.05.1990
Patent
DIAMOND DRILLING BIT
PANIN NIKOLAJ M,SU, TSEKHMISTRENKO NIKOLAJ M,SU, SUSLOV EVGENIJ I,SU, MAKHOTKIN MIKHAIL V,SU, PITERSKIJ VLADIMIR M,SU
Year of Publication 15.06.1988
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Year of Publication 15.06.1988
Patent
ROLLER CUTTER DRILLING BIT
TATARCHUK YURIJ S,SU, ROZIN MIKHAIL M,SU, LAPSHIN DMITRIJ S,SU, ZHURAVLEV VLADIMIR G,SU, PANIN NIKOLAJ M,SU, TITOV VITALIJ I,SU, TSEKHMISTRENKO NIKOLAJ M,SU, KOZYREV NIKOLAJ I,SU
Year of Publication 07.08.1991
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Year of Publication 07.08.1991
Patent
DOWNHOLE FISHING DEVICE
AFANASEV VLADIMIR A,SU, USTINOV VLADIMIR N,SU, EVSTIGNEEV EVGENIJ S,SU, PANIN NIKOLAJ M,SU, TOLOKNOV IGOR I,SU, TSEKHMISTRENKO NIKOLAJ M,SU, CHUKHOV PETR A,SU, GUSHCHIN ALBERT F,SU, KOLOMIETS ALEKSEJ M,SU, VORONTSOV VYACHESLAV I,SU
Year of Publication 30.12.1990
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Year of Publication 30.12.1990
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