| 英文名称: | | 1,4-butanediol, polymer with 2,4-diisocyanato-1-methylbenzene and 2-ethyl-2-(hy | | droxymethyl)-1,3-propanediol, phenol-blocked | | 1,4-butanediol, polymer with2,4-diisocyanato-1-methylbenzene and2-ethyl-2-(hydroxymethyl)-1,3-propanediol, phenol-blocked |
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