WELDER'S HELMET
ZILBERVARG BORIS M,SU, CHIZHIKOV YURIJ V,SU, SAFONOV VLADIMIR A,SU, KRUT ALEKSANDR A,SU
Year of Publication 23.08.1992
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Year of Publication 23.08.1992
Patent
METHOD AND APPARATUS FOR CLEANING ARTICLES
ZILBERVARG BORIS M,SU, SAFONOV VLADIMIR A,SU, GUSYATINSKIJ ROALD M,SU, KRUT ALEKSANDR A,SU
Year of Publication 23.03.1992
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Year of Publication 23.03.1992
Patent
DEVICE FOR COOLING AIR
ZILBERVARG BORIS M,SU, CHIZHIKOV YURIJ V,SU, SAFONOV VLADIMIR A,SU, KRUT ALEKSANDR A,SU
Year of Publication 07.05.1989
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Year of Publication 07.05.1989
Patent
DRILLING BIT COOLING ARRANGEMENT
DENISENKO VALERIJ E,SU, ZILBERVARG BORIS M,SU, SAFONOV VLADIMIR A,SU, DUGANOV BORIS G,SU
Year of Publication 23.06.1981
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Year of Publication 23.06.1981
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CORE DRILL
DENISENKO VALERIJ E,SU, ZILBERVARG BORIS M,SU, SAFONOV VLADIMIR A,SU, TKACHUK IVAN P,SU
Year of Publication 15.09.1980
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Year of Publication 15.09.1980
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VORTEX PIPE
ZILBERVARG BORIS M,SU, SAFONOV VLADIMIR A,SU, LAVRINENKO GRIGORIJ V,SU, EREMIN LEONID S,SU
Year of Publication 30.10.1977
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Year of Publication 30.10.1977
Patent
METHOD OF DRILLING BOREHOLES
DENISENKO VALERIJ E,SU, ZILBERVARG BORIS M,SU, SAFONOV VLADIMIR A,SU, TKACHUK IVAN P,SU, DUGANOV BORIS G,SU
Year of Publication 07.10.1981
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Year of Publication 07.10.1981
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EARTH-DRILLING APPARATUS
ZILBERVARG BORIS M,SU, CHIZHIKOV YURIJ V,SU, SAFONOV VLADIMIR A,SU, TKACHUK IVAN P,SU, DUGANOV BORIS G,SU, APATENKO NIKOLAJ D,SU
Year of Publication 30.11.1979
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Year of Publication 30.11.1979
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