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2015 油井 PDC ドリル/ガスよく PDC 掘削ドリル ビット/PDC ビット

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H-HNS M-MATRIX 9-CUTTER 19 4-4 lama 2-Prefettura-livello gerarchico X-singola fila G-PDC CUTTER MADE IN CHINA
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Oljebrønn borekroner / stål kroppen PDC biter / PDC Rock Drill biter/PDC blad bore Bit/Supply Drill biter PDC/fabrikken levere høy kvalitet Diamond...
Cu fabrică profesionale şi productiv,Website:, HAINAISEN este unul dintre cei mai importanti China spirală geologice de gaurit tija producatori. Bi...
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