| 英文名称: | | 2-oxepanone, polymer with butanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol | | and 1,1'-methylenebis[isocyanatocyclohexane] | | 2-oxepanone, polymer with butanediol,2-ethyl-2-(hydroxymethyl)-1,3-propanediol and1,1'-methylenebis[isocyanatocyclohexane] |
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