91/2"HS952XA 좋은 품질 API 사양 최저 가격 석유 철강 몸 PDC 드릴 비트
강철 몸 드릴, 좋은 품질, 최저 가격, petroelum 드릴 비트, 하드 록 드릴 비트, 비트, pdc 드릴 비트 다이아몬드 드릴 비트를 시추 하는 돌
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81/2" HM352XA High Quality Center Bit fabrikanten standarder PDC Drill Bit til retningsbestemt boring |
fabrikanten retningsbestemt boring,Website:, hot salg, pdc borehoved, diamond borehoveder, olie oilfield |
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91/2" HS662XA Ċina provvista ssir qalba tad-djamanti tal-korp ta '' l-azzar użat Pdc Drill Bit bejgħ f '' kundizzjoni tajba |
Ċina provvista,Website:, bit kondizzjoni tajba, korp ta '' l-azzar drill, kwalità tajba, ġebel tħaffir bits, pdc drill bit, djamant drill bit |
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121/4"HM952XA 油井 PDC 鑽頭位天然氣井 PDC 取心鑽頭 PDC 鑽頭 |
鑽進煤,岩鑽頭,系列鑽頭,金剛石鑽頭,電刀頭 |
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81/2" HM652XG Suav teb Manufactur tes tshais roj ntsis Drilling |
H-HNS M-MATRIX 6-CUTTER 16 5-5 hniav 2-Prefecture-theem hierarchical X-tes uake G-PDC CUTTER ua IN tuam TSHOJ |
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83/4" HM352XA PDC ropný vrt vrtáky / ocelové tělo PDC bity / PDC Rock vrtáky |
Ropný vrt vrtáky / ocelové tělo PDC bity / PDC Rock Drill bity/PDC čepele vrták Drill Bit/nabídky bitů PDC/továrna dodávky vysoce kvalitní Diamond ... |
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