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PROCESS FOR OBTAINING VINYL COPOLYMERS, BASED ON ACRYLONITRYL, BUTHADIEN, STIRENE AND ALPHAMETHYL-STIRENE (ABS), WITH IMPROVET HEAT RESISTANCE
PROCESS FOR OBTAINING VINYL COPOLYMERS, BASED ON ACRYLONITRYL, BUTHADIEN, STIRENE AND ALPHAMETHYL-STIRENE (ABS), WITH IMPROVET HEAT RESISTANCE