DEVICE FOR PULSATING AIR- LIFT PUMPING OF LIQUIDS FROM DRILL- HOLES
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| creator | BOZHILOV,SLAVEJJKO P KRSTEV,EVGENI D PETROV,RUMEN N KUZMANOV,LAZAR A TOMBASHKI,PETR G VLKOV,TONCHO K KULTIN,JURIJJ V PESHEV,GEORGI A GARVANOV,TODOR I PETKOV,METODI T |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | DEVICE FOR PULSATING AIR- LIFT PUMPING OF LIQUIDS FROM DRILL- HOLES |
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