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发明名称
DEVICE FOR MEASURING PHYSICAL CHARACTERISTICS OF ROCK MASS
摘要
申请公布号
SU1633119(A1)
申请公布日期
1991.03.07
申请号
SU19884498234
申请日期
1988.10.25
申请人
KUZBASSKIJ POLT INSTITUT
发明人
KOLMAKOV VLADISLAV A,SU;KRETOV BORIS K,SU;KOLMAKOV VLADIMIR V,SU;KOLMAKOV ANATOLIJ V,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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