| 英文名称: | | 3-propanediol, 2,2-dimethyl- polymer with .alpha.-hydro-.omega.-hydroxypoly[ | | oxy(methyl-1,2-ethanediyl)] and 1,1'-methylenebis[isocyanatobenzene] | | 1,3-propanediol, 2,2-dimethyl-, polymer with.alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] and1,1'-methylenebis[isocyanatobenzene] |
|
