HEAT INSULATING SAND FOR MAKING CASTING AND INGOT HEADS
LUKANIN VLADIMIR L,SU, NAZARATIN VLADIMIR V,SU, DOLBENKO EVGENIJ T,SU, KRYLOV VIKTOR B,SU, KOSHENKOV VASILIJ I,SU, SMIRNOV ANDREJ P,SU
Year of Publication 07.01.1988
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Year of Publication 07.01.1988
Patent