12 1/4" Bohrer HS652XA Stahlkörper Pdc Diamant Bits Größen/API Ölquelle Pdc
Stahlgehäuse, Pdc drill Bit, Diamant-Bohrer, 5 Klinge-Bohrer, Bohrer einreihig, Sandstein Bohren
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Exploitation, Exploration pétrolière, forages, bonne qualité, de la houille |
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With professional and productive factory,Website:, HAINAISEN is one of the leading China steel tooth bit manufacturers. Welcome to wholesale steel ... |
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Diamond compact (PDC) drill bits, diamond compact as the main cutting element, by scraping principle of shear rock broken, apply to soft - in hard ... |
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Con la fabbrica professionale e produttiva, HAINAISEN è uno dei principali produttori di tubo di telaio Cina. Benvenuti a tubo dell'intelaiatura al... |
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than khai thác mỏ pdc khoan bit, Tiger giàn khoan khoan chút, giấy chứng nhận xuất xứ Trung Quốc, pdc khoan chút cho mỏ than |
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