9 1/2" HM642XA באיכות גבוהה API PDC התרגיל קצת בשביל שדה הנפט של יצרן סיני
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With professional and productive factory, HAINAISEN is one of the leading China casing tube manufacturers. Welcome to wholesale casing tube from us... |
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Avec une usine professionnelle et productive, HAINAISEN est l'un des principaux Chine charbon rock drill bit fabricants. Bienvenue au foret de roch... |
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PDC fúrófej Standstone
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