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经营范围
发明名称
Process of controlling the temperature gradient up the shaft of a furnace
摘要
申请公布号
US1917642(A)
申请公布日期
1933.07.11
申请号
US19300463094
申请日期
1930.06.23
申请人
FURNAS CLIFFORD C
发明人
FURNAS CLIFFORD C.
分类号
C21B5/00
主分类号
C21B5/00
代理机构
代理人
主权项
地址
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