83/4" HM652XG Drill Bit med høj kvalitet enkelt diamant borehoved
Kina producent diamond pdc borehoved
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China-Versorgung, gutem Zustand Bit, Stahlkörper Drill, gute Qualität, Bits, Pdc-Bohrer, Diamant-Bohrer Bohren Stein |
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PDC bore bit,Website:, gruvedrift maskiner, karbid biter, Oilfield PDC bore Bit, høy kvalitet pdc drill bit matrix kroppen |
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