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发明名称
摘要
申请公布号
BE677949(A)
申请公布日期
1966.09.16
申请号
BED677949
申请日期
1966.03.16
申请人
发明人
分类号
C07C215/14;C07C215/16
主分类号
C07C215/14
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代理人
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