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Priority to JP9911587UpriorityCriticalpatent/JPS643931U/ja
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Novel diisocyanate derived from diphenylmethane and diisocyanate mixture* their manufacture* their use as isocyanate component in manufacturing polyurethane plastic by isocyanate polyaddition process
Novel diisocyanate derived from diphenylmethane and diisocyanate mixture* their manufacture* their use as isocyanate component in manufacturing polyurethane plastic by isocyanate polyaddition process