| 英文名称: | | 2-Propenenitrile, polymer with ethenylbenzene and (1-methylethenyl)benzene | | Styrene, acrylonitrile, .alpha.-methylstyrene copolymer | | 2-propenenitrile, polymer with ethenylbenzene and(1-methylethenyl)benzene | | 2-Propenenitrile,polymer with ethenylbenzene and(1-methylethenyl)benzene | | Styrene,acrylonitrile,.alpha.-methylstyrene copolymer |
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