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发明名称
Pyrite depressants useful in the separation of pyrite from coal
摘要
申请公布号
US4830740(A)
申请公布日期
1989.05.16
申请号
US19880183577
申请日期
1988.04.19
申请人
THE DOW CHEMICAL COMPANY
发明人
KLIMPEL, RICHARD R.;HANSEN, ROBERT D.
分类号
B03D1/016;B03D1/02
主分类号
B03D1/016
代理机构
代理人
主权项
地址
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