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发明名称
Process for treating iron-oxide bearing materials
摘要
申请公布号
GB775747(A)
申请公布日期
1957.05.29
申请号
GB19550006853
申请日期
1955.03.08
申请人
KOPPERS COMPANY INC.
发明人
BECKER JOSEPH
分类号
C22B1/22
主分类号
C22B1/22
代理机构
代理人
主权项
地址
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