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发明名称
Pyro-electric metallurgical furnace and process
摘要
申请公布号
US1967274(A)
申请公布日期
1934.07.24
申请号
US19320598817
申请日期
1932.03.14
申请人
ST. JOSEPH LEAD COMPANY
发明人
WEATON GEORGE F.
分类号
C22B4/04;C22B19/00;C22B19/36;F27B17/00
主分类号
C22B4/04
代理机构
代理人
主权项
地址
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