9 1/2" HM642XA visoke kvalitete API PDC svrdlo za Naftno polje kineski proizvođač
Kineski proizvođač/ulje polje/visoke kvalitete/pdc bita/pdc svrdla
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petroleum&gas ,water well ,mining and tectonic industries
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directional boring, and
underground foundati... |
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h-hns m-MATRIX 6-CUTTER 16 5-5 'etlh 2-Prefecture-patlh hierarchical x-Vas ROW g-pdc CUTTER chenmoH in jungwoq |
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inti bor,Website:, hainaisen bor, bor inti pdc, air sumur bor |
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تعيين بت الحفر بت الصين مثقاب كربيد التنغستن بت الحفر روك لقم الثقب
مثقاب pdc الماس |
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TILLVERKAD I KINA BÄSTA BORR
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