| 英文名称: | | polymer with 2,4-diisocyanato-1-methylbenzene, alpha-hydro-3-benzenediamine | | omega -hydroxypoly(oxy-1,2-ethanediyl) and alpha-hydro- omega -hydroxypoly[oxy | | (methyl-1,2-ethanediyl)] | | 1,3-benzenediamine, polymer with2,4-diisocyanato-1-methylbenzene, alpha-hydro- omega-hydroxypoly(oxy-1,2-ethanediyl) and alpha-hydro- omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)] |
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