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发明名称
摘要
申请公布号
DE2213839(A1)
申请公布日期
1972.10.05
申请号
DE19722213839
申请日期
1972.03.22
申请人
发明人
分类号
C09B57/00;C07D249/06;C11D3/42;(IPC1-7):C07D55/00
主分类号
C09B57/00
代理机构
代理人
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