英文名称: | benzenamine, 4,4'-methylenebis(2-chloro-, polymer with 1,4-diisocyanato-2-methy | lbenzene and alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) | chlorinated polyether polyurethan | ostamer | polyurethane y-238 | y-238 | benzenamine, 4,4'-methylenebis(2-chloro-, polymer with1,4-diisocyanato-2-methylbenzene andalpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) |
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