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经营范围
发明名称
Process and apparatus for treating steel
摘要
申请公布号
US1842272(A)
申请公布日期
1932.01.19
申请号
US19280305667
申请日期
1928.09.13
申请人
AJAX ELECTROTHERMIC CORPORATION
发明人
KNERR HORACE C.
分类号
C21D1/46
主分类号
C21D1/46
代理机构
代理人
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