LUBRICATING ADDITIVE FOR CLAY-BASE DRILLING MUDS von ZOLOTOVA GALINA V,SU, TSAPLIN YURIJ M,SU, RUNOV VLADIMIR A,SU, EVDOKIMOVA ZHANNA A,SU, VASILCHENKO SERGEJ V,SU, PAVLYCHEV VALENTIN N,SU, MOJSA YURIJ N,SU, ANDRESON BORIS A,SU

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LUBRICATING ADDITIVE FOR CLAY-BASE DRILLING MUDS von BORULENKOV PETR E,SU, ZOLOTOVA GALINA V,SU, KREZUB ANATOLIJ P,SU, TSAPLIN YURIJ M,SU, RUNOV VLADIMIR A,SU, KOKH NIKOLAJ G,SU, PAVLYCHEV VALENTIN N,SU, MOJSA YURIJ N,SU, PAK KHE S,SU

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EXTRACTOR von TSAPLIN NIKOLAJ S,SU, TKACHUK NATALYA M,SU, VOROBEV EVGENIJ I,SU, TORUBAROV NIKOLAJ N,SU, CHUPIN YURIJ N,SU, MARTYNOV YURIJ V,SU

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