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发明名称
VERFAHREN ZUR FLOTATION OXIDISCHER ZINNERZE
摘要
申请公布号
DD287420(A5)
申请公布日期
1991.02.28
申请号
DD19880321122
申请日期
1988.10.27
申请人
AKADEMIE DER WISSENSCHAFTEN DER DDR,DE
发明人
SCHIEFER,HORST,DE;ROSENBAUM,CHRISTINE,DE;NEUBER,CHRISTIAN,DE
分类号
B03D1/01;B03D1/02;(IPC1-7):B03D1/01
主分类号
B03D1/01
代理机构
代理人
主权项
地址
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