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A PROCESS FOR IMPROVING THE PROPERTIES OF ETHYLENE POLYMERIZATION CATALYSTS.
A PROCESS FOR IMPROVING THE PROPERTIES OF ETHYLENE POLYMERIZATION CATALYSTS.
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机译:改善乙烯聚合催化剂性能的方法。
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摘要
A free wheeling roller type clutch characterized in that rollers 3 are resiliently clamped at the ends between stops 14 g,nd 15 rotating together with the driven element 2 of the clutch.
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