-
Mining bene gyratorium triconum exercendis frenis IADC835 11″ (179.4mm)
-
API auri metalla petra Bits IADC845 pro dura formatione
-
Rotarium petrae metalla terebrarum precii IADC825 11 unciarum
-
Alta metalla bene triconia frena IADC832 12.25″ 311mm
-
API Mining petram exercendis frena IADC745 12.25″(311mm) officina
-
API calculus bene fodiendus petrae IADC545 cum discounted cost
-
API Metallum fodiendi petrae terebro IADC532 ad durissimos formationes
-
exploratio geologica in gyratorio fodiendi triconum EXERCITATIO TABULARUM IADC415 pro sale
-
API fotary tricone frenum IADC645 ad fodienda inspiratione foveam exercendam
-
Aeris metalla tungsten carbide dura silex rolelr trocpme bit IADC715
-
API TCI Mining petra officinas exercendis IADC725 9 7/8″
-
API chalcitis bene triconim terebro IADC622 9″ ad saxum durum