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发明名称
摘要
申请公布号
PL155315(B1)
申请公布日期
1991.11.29
申请号
PL19870267613
申请日期
1987.09.04
申请人
发明人
分类号
C07G1/00;C08B1/00;D21C3/04;E21D7/02;(IPC1-7):E21D7/02
主分类号
C07G1/00
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