发明授权
EP1029874B1 Polymeric resinous material derived from limonene, dicyclopentadiene and tertiary-butyl styrene 有权
从苎烯,二环戊二烯,和苯乙烯 - 叔丁基氢树脂聚合物

Polymeric resinous material derived from limonene, dicyclopentadiene and tertiary-butyl styrene
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