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CAS NO:25748-74-7
CAS:
25748-74-7
英文名称:
polyurethane y-299
1,4-butanediol, polymer with 1,6-diisocyanatohexane
duranate exp-d 101
isocyanic acid, hexamethylene ester, polymer with 1,4-butanediol
y 299