The catalyst components utilized in carrying out the invention involve a transition metal component, an electron donor component, and a co catalyst component which are sequentially mixed together in the course of formulating {HEAD ~ the Ziegler type catalyst} to be charged to {TAIL ~ an olefin polymerization reactor} 
The catalyst components utilized in carrying out the invention involve a transition metal component , an electron donor component , and a co catalyst component which are sequentially mixed together in the course of formulating { HEAD ~ the Ziegler type catalyst } to be charged to { TAIL ~ an olefin polymerization reactor }
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