RAW MIXTURE FOR PRODUCING EXPANDED CLAY AGGREGATE von GROSHEV IGOR A,SU, LYSKOV LEONID I,SU, KOVYAZIN GENNADIJ N,SU, BASHLYKOV NIKOLAJ F,SU, NAUMAGAMBETOV MURAT S,SU, ESIMOV AZIZ B,SU, MIKHAJLOVA VALENTINA I,SU

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