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US4423162A Polyurethanes from hydroxymethyl polyols and polyisocyanates 失效
来自羟甲基多元醇和多异氰酸酯的聚氨酯

Polyurethanes from hydroxymethyl polyols and polyisocyanates
摘要:
Polyurethanes prepared from the reaction of hydroxymethyl polyols and polyisocyanates are disclosed.
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