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经营范围
发明名称
MINING METHOD
摘要
申请公布号
SU717341(A1)
申请公布日期
1980.02.25
申请号
SU19792726001
申请日期
1979.02.21
申请人
LE , OP¯EHA OKTù¬PÓCKOö PEBOó½|ôô ô OP¯EHA TPY¯OBO×O KPACHO×O ³HAMEHô ×OPHÕö ôHCTôTYT ôM. ×.B.üóEXAHOBA
发明人
SHUVALOV YURIJ V,SU;SMIRNOV YURIJ M,SU
分类号
(IPC1-7):E21C41/06
主分类号
(IPC1-7):E21C41/06
代理机构
代理人
主权项
地址
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