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发明名称
Roasting material containing iron sulphide
摘要
申请公布号
FR2028020(A1)
申请公布日期
1970.10.02
申请号
FR19700000795
申请日期
1970.01.09
申请人
BOLIDEN AB
发明人
分类号
C01B17/52;C01G49/08;C22B1/02;C22B1/10;C22B1/14;(IPC1-7):21B1/00
主分类号
C01B17/52
代理机构
代理人
主权项
地址
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