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发明名称
METHOD OF EXTINGUISHING COAL BED FIRE REACHING TO SURFACE
摘要
申请公布号
SU750106(A1)
申请公布日期
1980.07.23
申请号
SU19772559365
申请日期
1977.12.26
申请人
PRIMORSKIJ VOSTOCHNOGO NII PO BEZOPASNOSTI RABOT V GORNOJ PROMY MINISTERSTVA UGOLNOJ PROMY SSSR
发明人
ROMANOV ALEKSANDR ,SU;GOGOLIN NIKOLAJ A,SU
分类号
E21F5/00;(IPC1-7):E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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