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发明名称
摘要
申请公布号
DE2049162(A1)
申请公布日期
1972.04.13
申请号
DE19702049162
申请日期
1970.10.07
申请人
发明人
分类号
C07C45/00;C07C47/198;(IPC1-7):C07C/
主分类号
C07C45/00
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代理人
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