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发明名称
摘要
申请公布号
DD111894(A5)
申请公布日期
1975.03.12
申请号
DD19740177037
申请日期
1974.03.07
申请人
发明人
分类号
(IPC1-7):C07C51/52;C07C65/20
主分类号
(IPC1-7):C07C51/52
代理机构
代理人
主权项
地址
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