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经营范围
发明名称
ROCK MASS FRACTURING METHOD
摘要
申请公布号
SU836339(A1)
申请公布日期
1981.06.07
申请号
SU19792783761
申请日期
1979.06.20
申请人
LE , OP¯EHA OKTù¬PÓCKOö PEBOó½|ôô ô OP¯EHA TPÔ¯OBO×O KPACHO×O ³HAMEHô ×OPHÕö ôHCTôTÔT
发明人
KOROBKOV ALEKSANDR A,SU;YANSON MIKHAIL O,SU
分类号
E21B43/26;(IPC1-7):E21B43/26
主分类号
E21B43/26
代理机构
代理人
主权项
地址
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