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发明名称
Method of heating
摘要
申请公布号
US2625387(A)
申请公布日期
1953.01.13
申请号
US19490081886
申请日期
1949.03.17
申请人
SELAS CORPORATION OF AMERICA
发明人
HESS FREDERIC O.
分类号
C21D9/00;C21D9/56
主分类号
C21D9/00
代理机构
代理人
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地址
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