| 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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