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经营范围
发明名称
Nitrogen enrichment of steel
摘要
申请公布号
GB1091116(A)
申请公布日期
1967.11.15
申请号
GB19650047010
申请日期
1965.11.05
申请人
IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
DOWNING OLIVER
分类号
C21C7/00
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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