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发明名称
PROCESS FOR PREPARING A RETANNING AGENT
摘要
申请公布号
RO102487(B1)
申请公布日期
1992.07.05
申请号
RO19880135456
申请日期
1988.10.07
申请人
发明人
分类号
C14C3/08;(IPC1-7):C14C3/08
主分类号
C14C3/08
代理机构
代理人
主权项
地址
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