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经营范围
发明名称
Improvements in tuyeres or bottoms for metallurgical furnaces, particularly bessemer converters
摘要
申请公布号
GB668124(A)
申请公布日期
1952.03.12
申请号
GB19500001965
申请日期
1950.01.25
申请人
HUETTENWERK HASPE AKTIENGESELLSCHAFT
发明人
分类号
C21C5/48
主分类号
C21C5/48
代理机构
代理人
主权项
地址
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