| 英文名称: | | with 1,3-diisocyanatomethylbenzene and alpha-hydro- omega -hydroxypoly(oxy-1,4 | | -butanediyl) | | oxirane,2,2'-[(1-methylethylidene)bis(4,1-phenyleneoxymethylene)]bis-, polymerwith 1,3-diisocyanatomethylbenzene and alpha-hydro- omega-hydroxypoly(oxy-1,4-butanediyl) |
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