DRILLING CROWN BIT
KHAJDIN NIKOLAJ M,SU, LATYSHEV VLADIMIR A,SU, YANOVSKIJ ILYA I,SU, PANFILOV VIKTOR V,SU, PATRIKEEVA ESFIR M,SU
Year of Publication 07.02.1990
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Year of Publication 07.02.1990
Patent
BIT FOR ROTARY-PERCUSSIVE DRILLING
KHAJDIN NIKOLAJ M,SU, LATYSHEV VLADIMIR A,SU, MAMONTOV ALEKSEJ F,SU, BOCHARNIKOVA NATALIYA V,SU, YANOVSKIJ ILYA I,SU, MEDOVYJ YURIJ A,SU, GOPEN ALEKSANDR M,SU, PANFILOV VIKTOR V,SU, KARASIK ISAAK L,SU, GORBUNOVA NADEZHDA M,SU, PATRIKEEVA ESFIR M,SU
Year of Publication 23.07.1989
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Year of Publication 23.07.1989
Patent
AIR DISTRIBUTOR
VINOGRADSKIJ LEONID S,SU, KUDRYAVITSKIJ ARKADIJ B,SU, PONCHEK MARK I,SU, ZAJONCHKOVSKIJ VITALIJ B,SU, DEMYANOV OLEG V,SU, PANFILOV VIKTOR V,SU, VASILEV VIKTOR B,SU, EPIFANOVA SVETLANA V,SU, OSADCHIJ GENNADIJ K,SU, KOLKOTA NIKOLAJ P,SU, GIRSHBERG BORIS M,SU
Year of Publication 23.11.1987
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Year of Publication 23.11.1987
Patent
DRILL BIT
LATYSHEV VLADIMIR A,SU, ASTAKHOVA VALENTINA P,SU, MAMONTOV ALEKSEJ F,SU, KORKHOV VIKTOR E,SU, YANOVSKIJ ILYA I,SU, MEDOVYJ YURIJ A,SU, PANFILOV VIKTOR V,SU, KARASIK ISAAK L,SU, PATRIKEEVA ESFIR M,SU, SHARAPOV VLADIMIR I,SU
Year of Publication 30.05.1987
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Year of Publication 30.05.1987
Patent