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发明名称
GAS-STOPPING VALVE OF BLAST FURNACE CHARGING DEVICE
摘要
申请公布号
SU761568(A1)
申请公布日期
1980.09.07
申请号
SU19782641150
申请日期
1978.07.10
申请人
INST CHERNOI METALLURGII
发明人
PRAZDNIKOV ANATOLIJ V,SU;BOLSHAKOV VADIM ,SU;DRAKIN GEORGIJ V,SU
分类号
C21B7/18;(IPC1-7):C21B7/18
主分类号
C21B7/18
代理机构
代理人
主权项
地址
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