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发明名称
Electric arc furnaces
摘要
申请公布号
US3057937(A)
申请公布日期
1962.10.09
申请号
US19570700411
申请日期
1957.12.03
申请人
ZIRCONAL PROCESSES LTD.
发明人
SHAW CLIFFORD
分类号
F27D11/08;H05B7/22
主分类号
F27D11/08
代理机构
代理人
主权项
地址
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