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100 mm 3 15/16' DTH con faccia convessa2020-10-09 11:09:33 |
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DHD350-135mm Carburo di tungsteno2020-03-06 00:49:20 |
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203mm Drag Drill Bit Three Wings API 3 1/2" Step Drag Bits per Ming Drilling2019-08-14 15:20:16 |