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发明名称
Heating circuit and method
摘要
申请公布号
US2658982(A)
申请公布日期
1953.11.10
申请号
US19520272472
申请日期
1952.02.19
申请人
UNITED STATES STEEL CORPORATION
发明人
RENDEL GEORGE H.
分类号
C21D9/62;C23C2/28;C25D5/50
主分类号
C21D9/62
代理机构
代理人
主权项
地址
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