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发明名称
REFINING OF ZINC
摘要
申请公布号
CA880242(A)
申请公布日期
1971.09.07
申请号
CAD880242
申请日期
申请人
IMPERIAL SMELTING CORPORATION (ALLOYS) LIMITED
发明人
LESLIE J. DERHAM;GLEN O. JOHN
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主分类号
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代理人
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