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发明名称
APPARATUS FOR THE REPLACEMENT OF CONTACT PINS OF ELECTROLYSIS FURNACES
摘要
申请公布号
CA857317(A)
申请公布日期
1970.12.01
申请号
CAD857317
申请日期
申请人
A/S ARDAL OG SUNNDAL VERK
发明人
JOHAN N. STROM;GUDMUND HEGGSTAD
分类号
主分类号
代理机构
代理人
主权项
地址
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