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发明名称
摘要
申请公布号
SU438644(A1)
申请公布日期
1974.08.05
申请号
SU19721758973
申请日期
1972.03.13
申请人
发明人
分类号
(IPC1-7):C07C87/12
主分类号
(IPC1-7):C07C87/12
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