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发明名称
METHOD OF OBTAINING SEMI-SYNTHETIC CEPHALOSPORINES
摘要
申请公布号
PL156026(B1)
申请公布日期
1992.01.31
申请号
PL19870268655
申请日期
1987.11.06
申请人
发明人
分类号
C07D;C07D501/24;(IPC1-7):C07D501/24
主分类号
C07D
代理机构
代理人
主权项
地址
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