| 英文名称: | | 1,3-butanediol, polymer with 1,1'-methylenebis[isocyanatobenzene], [(1-methyl-1 | | ,2-ethanediyl)bis(oxy)]bis[propanol] and 1,2-propanediol | | 1,3-butanediol, polymer with1,1'-methylenebis[isocyanatobenzene],[(1-methyl-1,2-ethanediyl)bis(oxy)]bis[propanol] and 1,2-propanediol |
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