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发明名称
摘要
申请公布号
SU454225(A1)
申请公布日期
1974.12.25
申请号
SU19721826533
申请日期
1972.09.06
申请人
发明人
分类号
(IPC1-7):C08G5/18
主分类号
(IPC1-7):C08G5/18
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