英文名称: | 2-Oxepanone, polymer with 1,4-butanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 1,1'-methylenebis[4-isocyanatobenzene] | 2-Oxepanone, .alpha.-hydro- .omega.-hydroxypoly(oxy-1,2-ethanediyl),1,4-butanediol, 4,4'-methylenediphenyldiisocyanate polymer | 2-oxepanone, polymer with 1,4-butanediol, alpha-hydro- omega -hydroxypoly(oxy-1 | ,2-ethanediyl) and 1,1'-methylenebis[4-isocyanatobenzene] | 2-oxepanone, polymer with 1,4-butanediol, alpha-hydro-omega -hydroxypoly(oxy-1,2-ethanediyl) and | 2-Oxepanone,polymer with 1,4-butanediol,.alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl)and 1,1'-methylenebis[4-isocyanatobenzene] | 2-Oxepanone,.alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl),1,4-butanediol,4,4'-methylenediphenyldiisocyanate polymer |
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