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经营范围
发明名称
Treatment of metals
摘要
申请公布号
US2433627(A)
申请公布日期
1947.12.30
申请号
US19430487942
申请日期
1943.05.21
申请人
RADIO CORPORATION OF AMERICA
发明人
ROBERDS WESLEY M.
分类号
H05B6/10
主分类号
H05B6/10
代理机构
代理人
主权项
地址
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