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发明名称
Improvements in or relating to a device and a method for Positioning an Oxygen Lance in a Basic Oxygen Converter
摘要
申请公布号
GB1172214(A)
申请公布日期
1969.11.26
申请号
GB19680010728
申请日期
1968.03.05
申请人
ALLEGHENY LUDLUM STEEL CORPORATION
发明人
RAY EDWIN WOODCOCK
分类号
C21C5/46
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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