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经营范围
发明名称
Process of pelletizing
摘要
申请公布号
GB727444(A)
申请公布日期
1955.03.30
申请号
GB19530008703
申请日期
1953.03.30
申请人
ERIE MINING COMPANY
发明人
分类号
C22B1/24
主分类号
C22B1/24
代理机构
代理人
主权项
地址
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