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发明名称
METHOD OF HYDRAULIC BREAKING OF ROCK TO BE RECOVERED FROM UNDERGROUND FORMATIONS
摘要
申请公布号
SU1293346(A1)
申请公布日期
1987.02.28
申请号
SU19853958797
申请日期
1985.09.26
申请人
MO GEOLOGORAZVEDOCHNYJ I IM.SERGO ORDZHONIKIDZE
发明人
CHERNEJ EDUARD I,SU;SMIRNOV MIKHAIL M,SU;ISHUKIN LEONID V,SU;KOZLOV VIKTOR S,SU
分类号
E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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