PROCESSING OF PYRRHOTINE CONCENTRATE IN LEAD METALLURGY BY ROASTING ON A DWIGHT LLOYD SINTERING MACHINE
申请公布号:YU41278(A)
申请号:YU19780000412
申请日期:1978.02.23
申请公布日期:1982.05.31
发明人:NIKOLIC BRANISLAV;NIKOLIC BRANISLAV
分类号:C22B5/00;C22B13/02;(IPC1-7):C22B5/00
主分类号:C22B5/00
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