91/2" HM952XG petróleo e gás, equipamento de perfuração de rocha pouco
máquina de perfuração de petróleo
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PDC БИТ, СТАЛИ ТЕЛА ДРЕЛЬ БИТ, 6 ЛЕЗВИЕ СВЕРЛА, СРЕДНИЙ МЯГКИЙ ДРЕЛЬ СВЕРЛО, МАСЛО ХОРОШО СВЕРЛО, |
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boret sat bits drill Kina tungsten carbide drill bits rock borehoveder
Diamond pdc borehoved
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populära storlekar tricone bit / vatten väl TCI tricone bitar/hög kvalitet tricone borr,Website:, ny stål tand bitars, mjuk och medelstora bildand... |
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