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API triconum EXERCITATIO IADC216 7 5/8 dig (19 (194mm) pro rig olei
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Rotarium anetum frenum IADC216 7 7/8 dig (200mm)
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In gyratoriis elit IADC216 10 5/8 pollices (269mm)
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Emptum terebrandi IADC216 17.5″ (444.5mm)
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Tres pyramides minutas officinas IADC217 3 7/8 dig (98mm)
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Tricone frena IADC217 4.5 dig (114mm) pro alta petra bene exercendis
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API cylindrus conus signatus camus ad EXERCITATIO IADC217 5 7/8 dig (149.2mm)
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Gyratorius EXERCITATIO bits IADC217 6 pollices (152mm)
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API dens moliti tres nuces coniferae IADC217 7.5 pollices (190mm) in stirpe
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API oleum ferri dentis calcaria IADC217 8.5 digitorum (215mm) pro arte petra
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API bits elit IADC217 8 3/4 inches (222.2mm)
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Alta bene exercendis calcaria IADC217 11 5/8 digitorum (295.3mm) pro scopulo duro