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发明名称
METHOD AND DEVICE FOR TESTING ROCK SPECIMENS IN EXTENSION
摘要
申请公布号
SU1627698(A1)
申请公布日期
1991.02.15
申请号
SU19894663605
申请日期
1989.03.20
申请人
INST GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
CHIRKOV SERGEJ E,SU;MAKAROV YURIJ S,SU
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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