发明授权
EP0676419B1 Catalyst system for improved stereoselectivity and broader molecular weight distribution in polymerization of olefins 无效
用于烯烃聚合的催化剂体系具有改进的立体选择性和更宽的分子量分布

Catalyst system for improved stereoselectivity and broader molecular weight distribution in polymerization of olefins
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