申请人 |
INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIA AKADEMII NAUK SSSR, NOVOSIBIRSK, U.S.S.R. |
发明人 |
BORIS VASILIEVICH SUDNISHNIKOV ALEXANDR DMITRIEVICH KOSTYLEV KONSTANTIN STEPANOVICH GURKOV;KONSTANTIN KONSTANTINOVICH TUPITSYN VLADIMIR DMITRIEVICH PLAVSKIKH ALLEN TE NOVOSIBIRSK;U.S.S.R. |