DIAMOND CROWN BIT
BUGAKOV VASILIJ I,SU, MINENKOV VALERIJ I,SU, DOVBNYA ALEKSANDR V,SU, ALEUTSKIJ EVGENIJ V,SU, ORLOV VLADIMIR I,SU
Year of Publication 15.12.1992
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Year of Publication 15.12.1992
Patent
DIAMOND CROWN BIT
KISELEV ANDREJ T,SU, BUGAKOV VASILIJ I,SU, MINENKOV VALERIJ I,SU, DOVBNYA ALEKSANDR V,SU, ALEUTSKIJ EVGENIJ V,SU, ORLOV VLADIMIR I,SU
Year of Publication 23.01.1992
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Year of Publication 23.01.1992
Patent