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发明名称
DEVICE FOR STEEL-MAKING CONVERTERS' WITHDRAWABLE BOTTOMS SEALING
摘要
申请公布号
CS267237(B1)
申请公布日期
1990.02.12
申请号
CS19870010230
申请日期
1987.12.30
申请人
BULINA VLADIMIR ING.,CS;HROMEK FRANTISEK ING.,CS;KRAJINA ALES,CS
发明人
BULINA VLADIMIR ING.,CS;HROMEK FRANTISEK ING.,CS;KRAJINA ALES,CS
分类号
C21C5/48;(IPC1-7):C21C5/48
主分类号
C21C5/48
代理机构
代理人
主权项
地址
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