英文名称: | Poly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)]] | lenebis[4-isocyanatobenzene] and alpha, alpha', alpha''-1,2,3-propanetriyltris[ | omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)]] | Poly(oxy-1,4-butanediyl),.alpha.-hydro-.omega.-hydroxy-,polymer with 1,1'-methylenebis[4-isocyanatobenzene] and .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)]] |
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