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发明名称
Method and apparatus for controlling heating furnaces
摘要
申请公布号
US2293550(A)
申请公布日期
1942.08.18
申请号
US19390294123
申请日期
1939.09.09
申请人
SALEM ENGINEERING COMPANY
发明人
KELLS LE ROY
分类号
C21D11/00
主分类号
C21D11/00
代理机构
代理人
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