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发明名称
Melting iron in electric furnaces
摘要
申请公布号
US2470010(A)
申请公布日期
1949.05.10
申请号
US19460677412
申请日期
1946.06.17
申请人
WILLIAMS SIDNEY D
发明人
WILLIAMS SIDNEY D.
分类号
C21C5/52
主分类号
C21C5/52
代理机构
代理人
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地址
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