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发明名称
Lead blast-furnace process
摘要
申请公布号
US3243283(A)
申请公布日期
1966.03.29
申请号
US19640354338
申请日期
1964.03.24
申请人
THE NATIONAL SMELTING COMPANY LIMITED
发明人
LUMSDEN JOHN
分类号
C22B13/00;C22B13/02
主分类号
C22B13/00
代理机构
代理人
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地址
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