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12 1/4” 311mm API standard TCI rock rolle...
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7 7/8 Pulzier Iadc 127 Ilma Well Milled Snien Dri...
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SD12 Pressjoni Għolja tal-Arja Dth Hammer Drill Bit Dow...
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6″ Drag Bit / 3 Wings Chevron Drag Bit Fo...
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BR3 Pressjoni ta 'l-Arja Nofsani u Għolja DTH Hammer
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32/34/36/38/40 7 Button taper rock drill button...