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发明名称
PROCEDE DE PREPARATION DE POLYISOCYANATES PORTANT DES GROUPES URET-DIONE
摘要
申请公布号
BE835278(A1)
申请公布日期
1976.05.05
申请号
BE19750161610
申请日期
1975.11.05
申请人
发明人
分类号
C07B61/00;B01J31/00;C07D229/00;C08G18/79;(IPC1-7):C08G/
主分类号
C07B61/00
代理机构
代理人
主权项
地址
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