| 英文名称: | | -2-methylbenzene, 2,4-diisocyanato-1-methylbenzene and alpha-hydro- omega -hydr | | oxypoly[oxy(methyl-1,2-ethanediyl)] | | isocyanic acid, polymethylenepolyphenylene ester,polymer with 1,3-diisocyanato-2-methylbenzene,2,4-diisocyanato-1-methylbenzene and alpha-hydro- omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)] |
|
m.cnreagent.com