91/2"HM652XG New Water Well Rock Bit Diamond Drill Bit
oil and gas equipment pdc drill bit
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brocas ti', brocas PDC, PDC cuchillas broca, brocas PDC ti' diamante, broca PDC Hard Rock te' ch'e'eno' petróleo perforación le ch'e'eno' petróleo |
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Korpus ze stali, pdc drill bit, wiertła diamentowe, 5 ostrzy wiertła, wiertło jednorzędowe, piaskowiec wiercenia |
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