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发明名称
摘要
申请公布号
BG26267(A1)
申请公布日期
1979.03.15
申请号
BG19780038745
申请日期
1978.02.20
申请人
发明人
分类号
(IPC1-7):C07C87/52
主分类号
(IPC1-7):C07C87/52
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