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经营范围
发明名称
Electrolytic recovery of zinc
摘要
申请公布号
GB618682(A)
申请公布日期
1949.02.25
申请号
GB19460024048
申请日期
1946.08.13
申请人
HUDSON BAY MINING AND SMELTING CO. LIMITED
发明人
分类号
C25C1/16
主分类号
C25C1/16
代理机构
代理人
主权项
地址
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