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经营范围
发明名称
Improvements in test rods, more particularly test rods for blast furnaces
摘要
申请公布号
GB385195(A)
申请公布日期
1932.12.22
申请号
GB19320013558
申请日期
1932.05.11
申请人
FREYN ENGINEERING COMPANY
发明人
分类号
C21B7/24
主分类号
C21B7/24
代理机构
代理人
主权项
地址
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