| 英文名称: | | 1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 2,4-diisocyanato-1-me | | thylbenzene and 2,2'-oxybis[ethanol], caprolactam-blocked | | 1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-, polymerwith 2,4-diisocyanato-1-methylbenzene and 2,2'-oxybis[ethanol],caprolactam-blocked |
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