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发明名称
METHOD OF MINING THICK OUTBURST-HAZARDOUS CARNALLITE BEDS
摘要
申请公布号
SU1493798(A1)
申请公布日期
1989.07.15
申请号
SU19874225530
申请日期
1987.04.07
申请人
PERMSKIJ POLT I;PROIZV OB "URALKALIJ"
发明人
KOVTUN VLADIMIR YA,SU;PAPULOV LEV M,SU;TRIPOLKO ALEKSANDR S,SU;BEJ MARAT M,SU
分类号
E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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