丙烯/1-丁烯无规共聚物与丙烯/乙烯抗冲共聚物的对比研究
병희/1-정희무규공취물여병희/을희항충공취물적대비연구
Research on comparing the propylene/1-butene random copolymer with propylene/ethylene impact copolymers
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