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发明名称
摘要
申请公布号
SU443046(A1)
申请公布日期
1974.09.15
申请号
SU19721815031
申请日期
1972.07.27
申请人
发明人
分类号
(IPC1-7):C08G17/13;C08G17/10
主分类号
(IPC1-7):C08G17/13
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