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CAS NO:67554-43-2
CAS:
67554-43-2
英文名称:
ydroxypoly(oxy-1,2-ethanediyl) and 1,1'-methylenebis[4-isocyanatocyclohexane]
1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-, polymerwith alpha-hydro- omega -hydroxypoly(oxy-1,2-ethanediyl) and
