| 英文名称: | | 1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene | | Butyl rubber | | 3-butadiene, 2-methyl- polymer with 2-methyl-1-propene | | poly(isobutylene-co-isoprene) | | 1,3-Butadiene,2-methyl-,polymer with 2-methyl-1-propene | | IIR(isobutylene-isoprene rubber) |
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