GAS-OXYGEN TUYERE FOR BLASTING MELTS von LIRMAN ALEKSANDR M,SU, GREBENNYUKOV ANATOLIJ V,SU, TRETYAKOV MIKHAIL A,SU, GOGOLEV BORIS N,SU, PRAVDIN BORIS A,SU, PRAULIN YURIJ G,SU, LUPEJKO VITOLD M,SU, ZHUKOV VLADIMIR P,SU, NIZEL VIKTOR A,SU, KOLOMIJTSEV LEONID G,SU, GLOBA NIKOLAJ I,SU

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