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发明名称
摘要
申请公布号
CS156464(B2)
申请公布日期
1974.07.24
申请号
CS19690007558
申请日期
1969.11.17
申请人
发明人
分类号
C07C7/12;(IPC1-7):C07C7/12
主分类号
C07C7/12
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代理人
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