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经营范围
发明名称
BASIC STEELMAKING PROCESS
摘要
申请公布号
US3615356(A)
申请公布日期
1971.10.26
申请号
USD3615356
申请日期
1968.11.18
申请人
BRITISH STEEL CORP.
发明人
HUGH W. GRENFELL
分类号
C21C5/30;C21C5/32;(IPC1-7):C21C5/28
主分类号
C21C5/30
代理机构
代理人
主权项
地址
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