WEIGHTING AGENT FOR CLAYEY DRILLING MUDS
PUSTOVOJTOV IVAN D,SU, KURILKOV BORIS R,SU, SHANDIN SERGEJ N,SU, MYAGKOVA TATYANA M,SU, RYABOKON SERGEJ A,SU
Year of Publication 07.09.1983
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Year of Publication 07.09.1983
Patent