121/2" HM662XAG oljefält borr för hårt bildas sandsten borrning
PDC-bits tillverkare pdc borrning bitar diamant pdc drill bitar pdc drill bit skär
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oferta China poco buen estado, taladro del cuerpo de acero, buena calidad, piedra de perforación, brocas, broca de pdc, broca de diamante |
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пробиване въглища, рок боркорони, серия боркорони, диамантени, пробивни малко, мощността инструментът малко |
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PDC DRILL BIT, TERASEST KEHA DRILL BIT, 6 TERA DRILL BIT, KESKMISE PEHME DRILL BIT, ÕLI HÄSTI DRILL BIT, |
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Kina strømforsyning,Website:, god stand bit, stål kroppen drill, god kvalitet, stein boring biter, pdc borekronen, diamant borekronen |
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H-HNS matrice M-6 6-fraise 4-4 lame 2-préfecture-niveau hiérarchique X-SINGLE ROW G-PDC CUTTER MADE IN CHINA |
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