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CAS NO:65104-88-3
CAS:
65104-88-3
英文名称:
yanatomethylbenzene and 1,1'-methylenebis[4-isocyanatocyclohexane]
poly(oxy-1,4-butanediyl), alpha-hydro- omega -hydroxy-,polymer with 1,3-diisocyanatomethylbenzene and
