83/4" HS662XA 6 ostrzy wiertła Bit, korpus ze stali PDC Bit, Standard API
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Impregnate de gravide Bursa Grindean |
Cu fabrica de profesionist şi productiv,Website:, HAINAISEN este unul dintre cei mai importanti China impregnate de bază gravidă bursa bază produca... |
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83/4" HM352XA PDC olje og borekroner / stål kroppen PDC biter / PDC Rock borekroner |
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12 1/4" HS652XA čelično tijelo Pdc dijamant bitova veličine/API naftu Pdc proceduru ugrizao. |
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Coal quv 83 ghap 4 "hm662xag 'ej Construction Dam oil toH qeq, Sut pdc qeq |
inserts.professional pdc qeq bit.sandstone .hard formstion oil 'ej SIp qeq qeq Sut tuj sell.drill |
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8 1/2 pulzier Hainaisen Popolari daqsijiet Tricone bits / Drill Tricone tal-kwalità ta '' ilma tajjeb TCI Tricone Bits/għolja Bit |
tricone Popolari daqsijiet bit / ilma ukoll TCI tricone bits/l-ogħla kwalità tricone drill bit,Website:, dfir ġdida ta '' l-azzar bit, artab u med... |
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