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发明名称
Perfectionnements aux dispositions des électrodes en graphite pour fours de fonte
摘要
申请公布号
FR888470(A)
申请公布日期
1943.12.14
申请号
FRD888470
申请日期
1942.11.20
申请人
发明人
HANSEN INGOLF
分类号
H05B3/03
主分类号
H05B3/03
代理机构
代理人
主权项
地址
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