83/4" HM662XA PDC svrdlo, PDC rezač za rudarski strojevi karbida bita/Oilfield PDC bušilica malo/bušenje platformama PDC svrdla
PDC svrdlo, rudarski strojevi, karbida igle, Oilfield PDC izbušite malo, visoke kvalitete pdc vježba bitna matrica tijelo
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81/2"HS952XA 다른 유형 및 유 정 시추에 대 한 비트를 드릴 PDC의 크기 |
비트, PDC 드릴 비트, PDC 블레이드 드릴 비트, 다이아몬드 PDC 드릴 비트, 하드 록 오일 잘 PDC 드릴 비트를 시추 하는 유 정 |
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China 12"1/4 Inch Pdc Water Well Drill Bit &pdc Petroleum Well Drill Bit &pdc Gas Well Drilling Bit |
pdc drill bit ,water well bit,gas well bit,petroleum bit,drill bits,drill bit sizes,
blade bit ,single row bit,double bit, |
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81/2" HM962XA PDC сондажни бита, бормашина инструменти с матрица тяло за вода, кладенци |
Високо качество pdc бормашина бита /Original доставчик петрол PDC малко PDC матрица тялото диамант масло /tungsten carbide PDC БОРМАШИНА БИТА |
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121/4HS662XA China goede kwaliteit Diamond Pdc boor Bit In goede kwaliteit zacht tot middellange zachte vorming |
gemaakt in china,Website:, goede kwaliteit, diamant pdc boor, steenkool mijnbouw en dam bouw, wholsale boor |
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121/4" HM652XA matrica tijelo PDC ugrizao / Mirza PDC svrdlo / PDC jezgra bitova s mlaznica/pa bušenje nafte |
matrica tijelo pdc svrdlo, ulje dobro bušenje, ugljen ruda, rangiranje zalogaj dijamant bušenje |
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