121 yá 2 "HM662XAG campo petrolífero ar pedacito taladro pa duros formación arenisca perforación
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Manufacturer Supplier Steel Body Tricone Drilling Bits For Water Well |
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83/4" HM952XA 222.2 palcové oceľové telo ropný vrt Pdc vŕtačka trochu Pdc Bit |
ropný vrt pdc vrták API štandard,Website:, studní, profesionálne vrták, diamantový vrták, vyrobené v Číne vrták |
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91/2" HM652XAG produce in carburo di tungsteno cinque ale Matrix corpo fresa Pdc corone diamantate |
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121 yaan 4 "HM652XA matriz wíinkilal PDC bits yaan diamante broca PDC yaan pedacitos k'oja'ano'obo' u PDC yéetel boquillas yaan perforación ti' le ch'e'eno' tsaats |
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83/4"HM662XA PDC Drill Bit, PDC Cutter For Mining Machinery Carbide Bits/Oilfield PDC Drill Bit/Drilling Rigs PDC Drill Bits |
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