| 英文名称: | | 1,3-Butadiene, 2-methyl-, homopolymer, of cis-1,4-configuration, chlorinated | | Natural rubber, chlorinated | | 1,3-butadiene, 2-methyl-, homopolymer, ofcis-1,4-configuration, chlorinated | | 1,3-Butadiene,2-methyl-,homopolymer,of cis-1,4-configuration,chlorinated | | Natural rubber,chlorinated |
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