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Mining drill bar Diameter 38mm H22 integral dri...
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pwt thread adapter para sa core drilling
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Wireline Diamond Drilling Core Barrel Assembly
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RC Rods Remet Drill Rods para sa Reverse Circulatio...
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Mataas na presyon ng hangin 10inch dth SD10 pababa sa butas...
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11 1/2″ 292mm Three Wing Water Well Drill...