BRIDGE
BALYUCHIK EDUARD A,SU, KOROL PAVEL N,SU, SHULMAN STANISLAV A,SU, BRUSILOVSKIJ VADIM B,SU, SHESTOPEROV GERMAN S,SU, SEDLETSKIJ LEONID B,SU, TKACHENKO SERGEJ S,SU, KLEJNER ROMAN S,SU
Year of Publication 30.09.1988
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Year of Publication 30.09.1988
Patent