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发明名称
摘要
申请公布号
BE699908(A)
申请公布日期
1967.11.16
申请号
BED699908
申请日期
1967.06.14
申请人
发明人
分类号
C07C29/50;C07C45/33
主分类号
C07C29/50
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地址
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