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经营范围
发明名称
Recovery of zinc from zinc-containing materials
摘要
申请公布号
US3017261(A)
申请公布日期
1962.01.16
申请号
US19590829210
申请日期
1959.07.24
申请人
METALLURGICAL PROCESSES LIMITED;THE NATIONAL SMELTING COMPANY LIMITED
发明人
LUMSDEN JOHN
分类号
C22B19/04;C22B19/28
主分类号
C22B19/04
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代理人
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