英文名称: | Poly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,3-diisocyanato-2-methylbenzene and 2,4-diisocyanato-1-methylbenzene | yanato-2-methylbenzene and 2,4-diisocyanato-1-methylbenzene | poly(oxy-1,4-butanediyl), alpha-hydro- omega -hydroxy-,polymer with 1,3-diisocyanato-2-methylbenzene and2,4-diisocyanato-1-methylbenzene | Poly(oxy-1,4-butanediyl),.alpha.-hydro-.omega.-hydroxy-,polymer with 1,3-diisocyanato-2-methylbenzene and 2,4-diisocyanato-1-methylbenzene |
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