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经营范围
发明名称
HIGH CAPACITY OXYGEN CONVERTER
摘要
申请公布号
PL267724(A1)
申请公布日期
1989.03.20
申请号
PL19870267724
申请日期
1987.09.10
申请人
发明人
分类号
C21C;(IPC1-7):C21C/
主分类号
C21C
代理机构
代理人
主权项
地址
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