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经营范围
发明名称
Oxygen steelmaking.
摘要
申请公布号
ZA9703851(B)
申请公布日期
1998.02.25
申请号
ZA19970003851
申请日期
1997.05.05
申请人
THE BOC GROUP PLC.
发明人
STEPHEN ROGER CLARE;MARTIN IMRE MAYER
分类号
C21C
主分类号
C21C
代理机构
代理人
主权项
地址
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