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发明名称
CEPHALOSPORIN DERIVS. AND THEIR PREPARATION
摘要
申请公布号
KR1019930001114(B1)
申请公布日期
1993.02.18
申请号
KR1019900011089
申请日期
1990.07.20
申请人
发明人
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主分类号
代理机构
代理人
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