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发明名称
摘要
申请公布号
DE2008645(A1)
申请公布日期
1970.09.03
申请号
DE19702008645
申请日期
1970.02.24
申请人
发明人
分类号
C07J19/00;(IPC1-7):C07C173/02
主分类号
C07J19/00
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