DOWNHOLE APPARATUS FOR EVALUATING STRENGTH OF ROCK BODY
EGOROV PETR V,SU, KORABELNIKOV VASILIJ P,SU, IVANOV VADIM V,SU, ZYUZIN ALEKSANDR N,SU, DRUZHININ SERGEJ N,SU
Year of Publication 07.10.1985
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Year of Publication 07.10.1985
Patent
METHOD OF DETERMINING THE STRENGTH OF ROCK
SHEVELEV YURIJ A,SU, KORABELNIKOV VASILIJ P,SU, IVANOV VADIM V,SU, ZYUZIN ALEKSANDR N,SU, DRUZHININ SERGEJ N,SU
Year of Publication 07.04.1985
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Year of Publication 07.04.1985
Patent