83/4" HM662XAG miniere di carbone e costruzione della diga per Pdc trapano di perforazione di pozzi di petrolio
caldo sell.drill un po' inserts.professional pdc trapano bit.sandstone foratura sopportabili formstion estrazione petrolifera e gas
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2015 Hotsale TCI Tricone Bit & oceli zub Tricone Bit, Tricone Rock Bit, certifikovaný tricone bit |
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