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Year of Publication 30.10.1984
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DRIVE DEVICE
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Year of Publication 15.09.1984
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Year of Publication 15.09.1984
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AUTOMATIC ELEVATOR FOR DRILL PIPES
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Year of Publication 30.05.1984
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Year of Publication 30.05.1984
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ELEVATOR FOR RUNNING DRILL PIPES IN AND OUT
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Year of Publication 23.04.1982
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Year of Publication 23.04.1982
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DEVICE FOR CONTROLLING MECHANISMS OF AUTOMATED DRILLING RIG
RAVICH-SHCHERBO ROMAN YU,SU, MALIN BORIS V,SU, LYS FEDOR S,SU, ULINSKIJ VLADIMIR N,SU
Year of Publication 05.06.1978
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Year of Publication 05.06.1978
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APPARATUS FOR RUNNING IN DRILL PIPES
RAVICH-SHCHERBO ROMAN YU,SU, MALIN BORIS V,SU, VLASOV VALERIJ S,SU, KOTOMIN GEORGIJ F,SU, MIKHAJLOV GENNADIJ B,SU
Year of Publication 30.10.1986
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Year of Publication 30.10.1986
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DRILLING RIG
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Year of Publication 23.09.1981
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Year of Publication 23.09.1981
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DEVICE FOR FEEDING PIPES TO THE DRILLING AXIS
RAVICH-SHCHERBO ROMAN YU,SU, MALIN BORIS V,SU, VLASOV VALERIJ S,SU, BARYSHEV VIKTOR E,SU, MIKHAJLOV GENNADIJ B,SU
Year of Publication 15.09.1981
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Year of Publication 15.09.1981
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MECHANISM FOR RETAINING A DRILLING STRING
SHRAGO LEONID G,SU, RAVICH-SHCHERBO ROMAN YU,SU, MALIN BORIS V,SU, LYS FEDOR S,SU, MIKHAJLOV GENNADIJ B,SU, BARSUKOV GENNADIJ I,SU
Year of Publication 23.07.1981
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Year of Publication 23.07.1981
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WRENCH FOR HANDLING THREADED LOCK JOINTS
BELYAEV BORIS A,SU, RAVICH-SHCHERBO ROMAN YU,SU, MOLOCHNIKOV EFIM I,SU, MALIN BORIS V,SU, LYS FEDOR S,SU, PETUSHKOV GENNADIJ P,SU, MIKHAJLOV GENNADIJ B,SU
Year of Publication 15.01.1983
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Year of Publication 15.01.1983
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