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发明名称
摘要
申请公布号
DE2126857(A1)
申请公布日期
1971.12.30
申请号
DE19712126857
申请日期
1971.05.27
申请人
发明人
分类号
C07C5/31;C07C5/373;(IPC1-7):C07C5/22
主分类号
C07C5/31
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